P R O D U C T C A T A L O G.buckchuck.com www

P R O D U C T C A T A L O G www.buckchuck.com

If a chuck s a chuck, then Why a Buck! Depth. In Experience. In Heritage. In Product. How about 75 years? That s how long Buck Chuck Company has engineered and built some of the finest chucks in the world. Buck Chuck brings the depth of one of the world s most recognized workholding companies. Our most recent lines the ATSC and BVC Ajust-Tru self-centering manual scroll chucks and Super-Life chucks. That s why a Buck. Service. Buck Chuck Company has a dedicated team of customer service personnel and sales representatives that have the technical knowledge to help make your Buck experience as hassle-free as possible. We also work closely with some of the most-recognized industrial products distributors to provide you with the proper solution to any of your chuck needs. It s a commitment we make to each and every one of our customers. That s why a Buck. Price to performance. You can buy the cheapest chuck out there and here s what you ll get. You ll get cheap. A chuck that s not as repeatable or as accurate as you need. A chuck that takes too much of your machine operator s time to adjust and true. A chuck that isn t productive. It s the cost of that lost productivity that you need to consider. But not with Buck Chuck. You ll get the most accurate and repeatable chucks on the market. That s why a Buck. Parts & Accessories. Not only does Buck Chuck Company provide the benchmark in manual chucks, we also offer power chucks and precision chucks. Our chucks come in a variety of sizes and styles and are ideal for replacement of OEM manual and power chucks. We also offer hard and soft jaws and wear parts. Whatever the workholding need, Buck can help. That s why a Buck. 2

Table of Contents ATSC Manual Scroll Chucks Ajust-Tru Style Page Replacing Your Obsolete Buck Chuck - Crossover Sheet...4 3 and 6 Jaw Forged Steel Scroll Chuck Hardened Top Reversible Jaw...5 3 and 6 Jaw Forged Steel Scroll Chuck Hardened Solid Jaw...6 4 Jaw Forged Steel Scroll Chuck Hardened Top Reversible Jaw...7 5C Adapted 3, 4 or 6 Jaw Forged Steel Scroll Chuck Hardened Top Reversible or Solid Jaw...7 ATSC Mounting Plates... 8-9 Spindle Identification...10 BVC Manual Scroll Chucks Ajust-Tru Style 3 and 6 Jaw Semi-Steel Scroll Chuck Hardened Top Reversible Jaw...11 BVC Mounting Plates...12 Spare Parts Replacement Parts and Accessories...13 Mini Chucks 3 Jaw Manually Operated Low Profile Chuck Solid Reversible Jaws...14 3 Jaw Semi-Steel Scroll Chuck Solid Jaws...14 Extra Heavy Duty Oil Country Chucks 3 Jaw Scroll Chuck Hardened Top Reversible Jaw...15 4 Jaw Independent Chuck Hardened Top Reversible Jaw...16 Power Chucks Power Chuck Selection Guide...17 3 Jaw High-Speed Thru-Hole Draw Tube Operated Power Chuck...18 2 Jaw High-Speed Thru-Hole Draw Tube Operated Power Chuck...19 3 Jaw High Speed Closed Center Draw Bar Operated Power Chuck...20 2 Jaw High Speed Closed Center Draw Bar Operated Power Chuck...21 3 Jaw Super Precision Air Operated Power Chuck...22 3 Jaw Stationary Self Contained Closed Center Power Chuck...23 3 Jaw Hydraulic Super Life Power Chuck...24 Super Life 2/3 Jaw Combination Power Chuck...25 Power Chuck Accessories...26 Buck Forkardt Quick Change Chucks Model FNC Power Chuck...27 Model F+ Manual Chuck...27 3

Obsolete Chuck Crossover 4 AT+ MODELS AT+ Model # AT+ Part # ATSC Part # A B C 3AT+4 A0100176977 B8043S 6AT+4 A0100211977 B8046S 3AT+5 A0100177977 B8053S 6AT+5 A0100212977 B8056S 3AT+6 A0100178977 B8063S 6AT+6 A0100213977 B8066S 3AT+6R A0100178978 B8063 6AT+6R A0100213978 B8066 3AT+8 A0100179977 B8083S 6AT+8 A0100214977 B8086S 3AT+8R A0100179978 B8083 6AT+8R A0100214978 B8086 3AT+10 A0100180977 B8103S 6AT+10 A0100215977 B8106S 3AT+10R A0100180978 B8103 6AT+10R A0100215978 B8106 3AT+12 A0100181977 B8123S 6AT+12 A0100216977 B8126S 3AT+12R A0100181978 B8123 6AT+12R A0100216978 B8126 3AT+15R A0100182978 B8153 6AT+15R A0100217978 B8156 AT MODEL CHUCKS The chart to the right refers to the replacement options for the obsolete AT model of chucks. The BVC was designed as a replacement for this chuck - the components are not interchangeable, but the BVC can be mounted to the existing adapter plate from your AT chuck. If you currently have an AT with any of the numbers in column A, B or C, it is replaced by a chuck in column D. The chucks that have ** in column D do not have a direct replacement, but there are alternate replacement options available that may not require you to purchase a new adapter plate. Please contact us at 1-800-228-BUCK for more information. AT+ MODEL CHUCKS The chart to the left refers to the replacement options for the obsolete AT+ model of chucks. The ATSC was designed as a replacement for this chuck - the components are not interchangeable, but the ATSC can be mounted to the existing adapter plate from your AT+ chuck. If you currently have an AT+ with any of the numbers in column A or B, it is replaced by a chuck in column C. Please contact us at 1-800-228-BUCK for more information. AT MODELS AT Model # AT Serial # AT Part # BVC Part # A B C D 3AT4 A1434 1434 ** 6AT4 A1462 1462 ** 3AT5 A2535 2535 ** 6AT5 A2562 2562 ** 3AT6 A0002063003 3634 ** 6AT6 A0002066003 3662 ** 3AT6R A0002063002 2063R B2063R 6AT6R A0002066002 2066R B2066R 3AT8 A0002083003 4831 ** 6AT8 A0002086003 4862 ** 3AT8R A0002083002 2083R B2083R 6AT8R A0002086002 2086R B2086R 3AT10 A0002103003 5103 ** 6AT10 A0002106003 5106 ** 3AT10R A0002103002 2103R B2103R 6AT10R A0002106002 2106R B2106R 3AT12 A0002124003 5124 ** 6AT12 A0002127003 5127 ** 3AT12R A0002124002 2124R B2124R 6AT12R A0002127002 2127R B2127R 3AT15R A0002154002 2154R B2154R 6AT15R A0002157002 2157R **

Forged Steel Body Scroll Chuck Model ATSC Hardened Top Reversible Jaws FEATURES & BENEFITS: 4 micro-fine adjustment screws allow.0005 TIR repeatability High quality forged steel body construction allows for higher lathe speeds Hardened and ground scroll is precision balanced allowing longer life and greater accuracy Hardened jaws and pinions increase life of the chuck American Standard Tongue & Groove Master Jaws allow for greater flexibility in choice of top tooling CHUCK SHIPS COMPLETE WITH: Master and hardened top reversible jaws Spring loaded T-wrench Allen wrench Mounting bolts * 3-JAW ATSC W/MASTER & HARDENED TOP REVERSIBLE JAWS Gripping Dia. (mm) Max Wt. Dia. Part No. A B C D E F G H J K L M N EXT. INT. RPM Lbs. 6" B8063 6.50 2.76 4.92 5.51 1.78 0.48 (3)M10x1.5P 2.58 1.00 1.54 0.35 0.31 (4)M10x1.5P 8-140 55-150 4600 17 8" B8083 7.87 3.15 6.30 6.93 2.37 0.48 (3)M10x1.5P 3.57 1.25 2.05 0.43 0.31 (4)M10x1.5P 10-200 55-180 4000 40 10" B8103 10.04 3.58 7.87 8.82 3.23 0.50 (3)M12x1.75P 3.75 1.50 2.59 0.47 0.31 (4)M10x1.5P 12-240 85-225 3000 53 12" B8123 12.60 3.90 10.24 11.26 4.14 0.58 (3)M16x2P 4.41 1.75 2.57 0.55 0.35 (4)M12x1.75P 18-285 125-285 2300 108 15" B8153 15.74 4.96 12.99 14.25 5.51 0.59 (3)M16x2P 5.55 2.50 3.61 0.67 0.35 (4)M12x1.75P 20-360 130-360 1800 230 6-JAW ATSC W/MASTER & HARDENED TOP REVERSIBLE JAWS Dia. Part No. A B C D E F G H J K L M N Gripping Dia. (mm) Max Wt. EXT. INT. RPM Lbs. * 6" B8066 6.50 2.76 4.92 5.51 1.78 0.48 (3)M10x1.5P 2.58 1.00 1.54 0.35 0.31 (4)M10x1.5P 25-140 75-150 3450 23 8" B8086 7.87 3.15 6.30 6.93 2.37 0.48 (3)M10x1.5P 3.57 1.25 2.05 0.43 0.31 (4)M10x1.5P 20-200 65-180 3000 40 10" B8106 10.04 3.58 7.87 8.82 3.23 0.50 (3)M12x1.75P 3.75 1.50 2.59 0.47 0.31 (4)M10x1.5P 25-240 90-225 2250 75 12" B8126 12.60 3.90 10.24 11.26 4.14 0.58 (3)M16x2P 4.41 1.75 2.57 0.55 0.35 (4)M12x1.75P 40-285 115-285 1725 115 15" B8156 15.75 4.96 12.99 14.25 5.51 0.59 (3)M16x2P 5.55 2.50 3.61 0.67 0.35 (4)M12x1.75P 40-360 130-360 1350 260 *6 chuck jaws are not ANSI standard - please contact us for details. 5

Forged Steel Body Scroll Chuck Model ATSC Hardened Solid Jaws FEATURES & BENEFITS: 4 micro-fine adjustment screws allow.0005 TIR repeatability High quality forged steel body construction allows for higher lathe speeds Hardened and ground scroll is precision balanced allowing longer life and greater accuracy Hardened jaws and pinions increase life of the chuck Hardened solid jaws allow for smaller gripping ranges as opposed to 2 piece jaw chucks CHUCK SHIPS COMPLETE WITH: Inside and outside gripping solid jaws Spring loaded T-wrench Allen wrench Mounting bolts 3-JAW ATSC W/INSIDE & OUTSIDE SOLID JAWS Gripping Dia. (mm) Max Wt. Dia. Part No. A B C D E F G H J K L M N EXT. INT. RPM Lbs. 4" B8043S 4.07 2.38 2.80 3.53 1.04 0.42 (3)M5x0.8P 1.62 0.44 0.75 0.24 0.24 (4)M8x1.25P 2-70 25-75 6300 6 5" B8053S 5.20 2.54 3.74 4.25 1.28 0.41 (3)M8x1.25P 1.88 0.63 0.8 0.32 0.26 (4)M8x1.25P 2-90 36-95 5500 10 6" B8063S 6.50 2.76 4.92 5.51 1.78 0.48 (3)M10x1.5P 2.52 0.74 0.96 0.35 0.31 (4)M10x1.5P 3-140 52-145 4600 17 8" B8083S 7.87 3.15 6.30 6.93 2.37 0.48 (3)M10x1.5P 3.50 0.95 1.37 0.43 0.31 (4)M10x1.5P 4-160 60-170 4000 28 10" B8103S 10.04 3.58 7.87 8.82 3.23 0.50 (3)M12x1.75P 3.62 1.23 1.83 0.47 0.31 (4)M10x1.5P 6-210 75-220 3000 53 12" B8123S 12.60 3.90 10.24 11.26 4.14 0.58 (3)M16x2P 4.25 1.48 1.75 0.55 0.35 (4)M12x1.75P 10-255 85-250 2300 108 6 6-JAW ATSC W/INSIDE & OUTSIDE SOLID JAWS Gripping Dia. (mm) Max Wt. Dia. Part No. A B C D E F G H J K L M N EXT. INT. RPM Lbs. 4" B8046S 4.07 2.36 2.8 3.53 1.04 0.42 (3)M5x0.8P 1.62 0.41 0.75 0.24 0.24 (4)M8x1.25P 2-70 25-75 4725 9 5" B8056S 5.2 2.54 3.8 4.25 1.28 0.41 (3)M8x1.25P 1.88 0.63 0.8 0.32 0.26 (4)M8x1.25P 2-90 36-95 4125 13 6" B8066S 6.50 2.76 4.92 5.51 1.78 0.48 (3)M10x1.5P 2.52 0.74 0.96 0.35 0.31 (4)M10x1.5P 6-140 60-145 3450 20 8" B8086S 7.87 3.15 6.30 6.93 2.37 0.48 (3)M10x1.5P 3.50 0.95 1.37 0.43 0.31 (4)M10x1.5P 10-160 70-170 3000 34 10" B8106S 10.04 3.58 7.87 8.82 3.23 0.50 (3)M12x1.75P 3.62 1.23 1.83 0.47 0.31 (4)M10x1.5P 15-210 70-220 2600 59 12" B8126S 12.60 3.90 10.24 11.26 4.14 0.58 (3)M16x2P 4.25 1.48 1.75 0.55 0.35 (4)M12x1.75P 20-255 85-250 1725 115

Forged Steel Body Scroll Chuck Model ATSC Hardened Top Reversible Jaws FEATURES & BENEFITS: 4 micro-fine adjustment screws allow.0005 TIR repeatability High quality forged steel body construction allows for higher lathe speeds Hardened and ground scroll is precision balanced allowing longer life and greater accuracy Hardened jaws and pinions increase life of the chuck American Standard Tongue & Groove Master Jaws allow for greater flexibility in choice of top tooling CHUCK SHIPS COMPLETE WITH: Master and hardened top reversible jaws Spring loaded T-wrench Allen wrench Mounting bolts **Please note that this is a SCROLL chuck - all jaws move together - NOT independently 4-JAW ATSC W/MASTER & HARDENED TOP REVERSIBLE JAWS Gripping Dia. (mm) Max Wt. Dia. Part No. A B C D E F G H J K L M N EXT. INT. RPM Lbs. 6" B8064 6.50 2.76 4.92 5.51 1.78 0.48 (3)M10x1.5P 2.58 1.00 1.54 0.35 0.31 (4)M10x1.5P 8-140 55-150 4600 17 8" B8084 7.87 3.15 6.30 6.93 2.37 0.48 (3)M10x1.5P 3.57 1.25 2.05 0.43 0.31 (4)M10x1.5P 10-200 55-180 4000 28 10" B8104 10.04 3.58 7.87 8.82 3.23 0.50 (3)M12x1.75P 3.75 1.50 2.59 0.47 0.31 (4)M10x1.5P 12-240 85-225 3000 53 12" B8124 12.60 3.90 10.24 11.26 4.14 0.58 (3)M16x2P 4.41 1.75 2.57 0.55 0.35 (4)M12x1.75P 18-285 125-285 2300 90 FEATURES & BENEFITS: 4 micro-fine adjustment screws allow.0005 TIR repeatability High quality forged steel body construction allows for higher lathe speeds Hardened and ground scroll is precision balanced allowing longer life and greater accuracy Hardened jaws and pinions increase life of the chuck Used in tail stocks for jobs where centers cannot be used Adapter does not rotate 3/6-JAW Part # Jaw Style Chuck Dia. (in) CHUCK SHIPS COMPLETE WITH: Jaws 5C adapter Spring loaded T-wrench Allen wrench Mounting bolts 5C ADAPTED AJUST-TRU CHUCKS Chuck Body Height (in) Grip Range (min-max) Shank Flange (in) Adapter Hole Dia (in) Adapter Length (in) B8043S-5C Solid 3 Jaw 4.07 2.38 2mm-75mm 5C 4 0.866 4.61 1 1 /4-20 B8053S-5C Solid 3 Jaw 5.20 2.54 2mm-95mm 5C 5 0.866 4.61 1 1 /4-20 B8063S-5C Solid 3 Jaw 6.50 2.76 3mm-145mm 5C 6 0.866 4.61 1 1 /4-20 B8046S-5C Solid 6 Jaw 4.07 2.38 2mm-75mm 5C 4 0.866 4.61 1 1 /4-20 B8056S-5C Solid 6 Jaw 5.20 2.54 2mm-95mm 5C 5 0.866 4.61 1 1 /4-20 B8066S-5C Solid 6 Jaw 6.50 2.76 3mm-145mm 5C 6 0.866 4.61 1 1 /4-20 B8063-5C 2 pc 3 Jaw 6.50 2.76 8mm-150mm 5C 6 0.866 4.61 1 1 /4-20 B8066-5C 2 pc 6 Jaw 6.50 2.76 6mm-145mm 5C 6 0.866 4.61 1 1 /4-20 B8064-5C 2 pc 6 Jaw 6.50 2.76 6mm-145mm 5C 6.866 4.61 1 1 /4-20 **Chuck dimensions can be found on pages 5, 6 and 7. Thread 7

ATSC Scroll Chuck Mounting Plates Adapt to all 3, 6 & 4 Jaw ATSC Models Spindle Size AMERICAN STANDARD STYLE A1 & A2 Chuck Size 4 5 6 8 10 12 15 3 A4-A3 A5-A3 A6-A3 - - - 4 - A5-A4 A6-A4 A8-A4 - - - 5 - - A6-A5 A8-A5 A10-A5 - - 6 - - A6-A6 A8-A6 A10-A6 A12-A6-8 - - A6-A8 A8-A8 A10-A8 A12-A8 A15-A8 11 - - - - - A12-A11 A15-A11 Spindle Size AMERICAN STANDARD STYLE D1 CAMLOCK Chuck Size 4 5 6 8 10 12 15 3 A4-D3 A5-D3 A6-D3 - - - 4 - A5-D4 A6-D4 A8-D4 - - - 5 - - A6-D5 A8-D5 A10-D5 - - 6 - - A6-D6 A8-D6 A10-D6 A12-D6-8 - - A6-D8 A8-D8 A10-D8 A12-D8 A15-D8 11 - - - - - A12-D11 A15-D11 HARDINGE 4 DEGREE TAPER MOUNTING PLATES Chuck Size 5 6 Id # A5-4DEG A6-4DEG Mounting Plates for Hardinge Lathes HARDINGE 2 3/16"-10 THREADED MOUNTING PLATES Chuck Size 5 6 Id # A100451000 A100452000 8 See Spindle Identification on page 10 to determine the correct mounting plate needed.

ATSC Scroll Chuck Mounting Plates Adapt to all 3, 6 & 4 Jaw ATSC Models Spindle Size AMERICAN STANDARD LONG TAPER STYLE L Chuck Size 6 8 10 12 15 L-00 A6-L00 A8-L00 A10-L00 - - L-0 A6-L0 A8-L0 A10-L0 A12-L0 - L-1 - A8-L1 A10-L1 A12-L1 A15-L1 L-2 - - - A12-L2 A15-L2 L-3 - - - - A15-L3 Spindle Size THREADED MOUNTING PLATES Chuck Size 4 5 6 8 10 12 1"-8 A100429000 A100430000 1"-10 A100431000 A100432000 1 1/2"-8 A100433000 A100434000 A100435000 1 3/4"-8 A100436000 A100437000 A100438000 2 1/4"-8 A100439000 A100440000 A100441000 2 3/8"-6 A100442000 A100443000 A100444000 A100445000 2 3/4"-8 A100446000 A100447000 A100448000 SEMI-FINISHED MOUNTING PLATES Chuck Size 4 5 6 8 10 12 15 Part # SMF-04 SMF-05 SMF-06 SMF-08 SMF-10 SMF-12 SMF-15 A(in) 2.74 3.74 4.92 6.30 7.87 10.24 13.00 A1(in) 3.94 4.92 6.30 7.88 10.00 12.60 15.75 A2(in) 2.19 2.50 3.19 3.19 6.22 7.75 11.63 B(in) 0.60 0.63 1.30 1.75 1.75 2.00 2.00 D(in) 0.36 0.55 0.71 0.71 0.91 0.99 0.99 D1(in) 0.40 0.40 0.45 0.45 0.45 0.60 0.60 D2(in) 1.19 1.25 2.00 2.00 2.63 3.00 3.75 G M8x1.25 M8x1.25 M10x1.50 M10x1.50 M12x1.75 M16x2.00 M16x2.00 L(in) 3.26 4.25 5.51 6.93 8.82 11.26 14.25 5C MOUNTING PLATES Chuck Size Shank Flange Hole dia. Length Thread 4 5C 4 0.866 4.41 1 1/4-20 5 5C 5 0.866 4.41 1 1/4-20 6 5C 6 0.866 4.41 1 1/4-20 See Spindle Identification on page 10 to determine the correct mounting plate needed. 9

Spindle Identification For Mounting Plates SPINDLE TYPE A 1 & A 2 Spindle nose A B C (MAX) E1 & E2 F1 F2 "E1" "C" A-4 2.500 0.437 7/16-14 3.250 ----- "E2" A-5 3.251 0.563 7/16-14 4.125 2.437 A-6 4.188 0.625 1/2-13 5.250 3.250 "F2" A-8 5.501 0.688 5/8-11 6.750 4.375 "F1" "B" "A" A-11 7.751 0.750 3/4-10 9.250 6.500 A-15 11.251 0.813 7/8-9 13.000 9.750 A-20 16.251 0.875 1-8 18.250 14.500 7 7'30" A-28 23.001 1.000 1-1/4-7 25.500 10.438 KEY L SPINDLE TYPE LONG TAPER KEY DRIVE Spindle nose A THREAD B C KEY L00 3-3/4-6 2.000 3/8 X 3/8 X 1-1/2 L0 4-1/2-6 2.375 3/8 X 3/8 X 1-3/4 8 17'50" "A" "B" L1 6-6 2.875 5/8 X 5/8 X 2-3/8 L2 7-3/4-5 3.375 3/4 X 3/4 X 2-7/8 L3 10-3/8-4 3.875 1.00 X 1.00 X 3-1/4 "C" THREADED SPINDLE TYPE Spindle nose thread A 1-8 1-10 1-1/2-8 "A" 1-3/4-8 2-1/4-8 2-3/8-6 2-3/4-8 Spindle nose A D1 CAMLOCK SPINDLE TYPE B C (MAX) CAMSTUD DIA E F "E" "C" D1-3 2.125 0.437 9/16 2.782 D1-4 2.500 0.437 5/8 3.250 D1-5 3.251 0.500 3/4 4.125 "F" D1-6 4.188 0.625 7/8 5.250 "B" "A" D1-8 5.501 0.688 1 6.750 D1-11 7.751 0.750 1-3/16 9.250 10 D1-15 11.251 0.813 1-3/8 13.000 7 7'30"

Semi-Steel Body Model BVC Hardened Top Reversible Jaws FEATURES & BENEFITS: 4 micro-fine adjustment screws allow.001 TIR repeatability Semi-steel body allows for a great chuck at a lower price American Standard Tongue and Groove Master Jaws allow for greater flexibility in choice of top tooling G CHUCK SHIPS COMPLETE WITH: Master and hardened top reversible jaws Spring loaded T-wrench Mounting bolts K D E C A F H L J N B G K D E C A F H L J N 3-JAW B BVC W/MASTER & HARDENED TOP REVERSIBLE JAWS Dia. Part No. A B C D* E F G H J K L N Gripping Dia. (mm) 6 B2063R 6.00 2.32 3.13 5.34 1.54 0.69 (6) 1/4-20 2.58 1.00 1.56 0.31 (4) 1/2-20 3-127 48-146 3400 16 8 B2083R 8.27 3.12 4.75 7.50 2.26 0.75 (6) 3/8-16 3.57 1.25 2.08 0.50 (4) 3/4-16 6-210 54-172 3100 42 10 B2103R 10.00 3.49 6.37 4.38 2.84 0.80 (6) 7/16-14 3.75 1.50 2.56 0.56 (4) 3/4-16 13-238 75-221 2700 66 12 B2124R 12.00 3.98 7.91 5.25 3.27 0.80 (6) 1/2-13 4.41 1.75 2.61 0.63 (4) 3/4-16 13-287 83-257 2200 110 15 B2154R 15.00 5.36 11.78 6.75 4.25 1.06 (6) 5/8-11 5.55 2.50 3.44 0.75 (4) 3/4-16 14-381 101-399 1500 221 EXT. INT. Max RPM Wt. Lbs. 6-JAW *Use Inner Bolt Circle for 10 to 15 Chuck Sizes BVC W/MASTER & HARDENED TOP REVERSIBLE JAWS Dia. Part No. A B C D* E F G H J K L N Gripping Dia. (mm) 6 B2066R 6.00 2.32 3.13 5.34 1.54 0.69 (6) 1/4-20 2.58 1.00 1.56 0.31 (4) 1/2-20 5-152 47-146 2500 25 8 B2086R 8.27 3.12 4.75 7.50 2.26 0.75 (6) 3/8-16 3.57 1.25 2.08 0.50 (4) 3/4-16 10-209 54-171 2200 51 10 B2106R 10.00 3.49 6.38 4.38 2.84 0.80 (6) 7/16-14 3.75 1.50 2.56 0.56 (4) 3/4-16 16-237 75-221 1900 80 12 B2127R 12.00 3.98 7.91 5.25 3.27 0.80 (6) 1/2-13 4.41 1.75 2.61 0.63 (4) 3/4-16 20-287 84-257 1300 130 EXT. INT. Max RPM Wt. Lbs. 11

Mounting Plates Model BVC Hardened Top Reversible Jaws AMERICAN STANDARD STYLE A1 & A2 Spindle Size Chuck Size 6 8 10 12 15 A-3 B6-A3 A-4 B6-A4 B8-A4 A-5 B6-A5 B8-A5 B10-A5 A-6 B6-A6 B8-A6 B10-A6 B12-A6 A-8 B8-A8 B10-A8 B12-A8 B15-A8 A-11 B12-A11 B15-A11 AMERICAN STANDARD STYLE D1 CAMLOCK Spindle Size Chuck Size 6 8 10 12 15 D-3 B6-D3 D-4 B6-D4 B8-D4 B10-D4 D-5 B6-D5 B8-D5 B10-D5 B12-D5 D-6 B6-D6 B8-D6 B10-D6 B12-D6 D-8 B8-D8 B10-D8 B12-D8 B15-D8 D-11 B12-D11 B15-D11 AMERICAN STANDARD LONG TAPER STYLE L Spindle Size Chuck Size 6 8 10 12 15 L-0 B6-L0 B8-L0 B10-L0 B12-L0 L-1 B10-L1 B12-L1 B15-L1 L-2 B12-L2 B15-L2 HARDINGE LATHE MOUNTING PLATES Spindle Size Chuck Size 6 2 3/16"-10 B6-2 3/16"-10 4º Taper B6-4 5C MOUNTING PLATE Chuck Size Shank (D) Flange Hole d. Length Thread 6 5C 6.866 4.41 1.24 x 20 12 See Spindle Identification on page 10 to determine the correct mounting plate needed.

Manual Scroll Chuck ATSC & BVC Replacement Parts & Accessories Keep your ATSC and BVC Buck Chuck in good repair with original replacement parts. Not compatible with some older Buck Chuck models. CHUCK PARTS Chuck Dia. Pinion Scroll Wrench ATSC BVC ATSC BVC ATSC BVC 4 ATSC-04P ATSC-04S ATSC-04W 5 ATSC-05P ATSC-05S ATSC-05W 6 ATSC-06P BVC-06P ATSC-06S BVC-06S ATSC-06W BVC-06W 8 ATSC-08P BVC-08P ATSC-08S BVC-08S ATSC-08W BVC-08W 10 ATSC-10P BVC-10P ATSC-10S BVC-10S ATSC-10W BVC-10W 12 ATSC-12P BVC-12P ATSC-12S BVC-12S ATSC-12W BVC-12W 15 ATSC-15P BVC-15P ATSC-15S BVC-15S ATSC-15W BVC-15W **Wrenches are spring loaded for operator s safety. Removal of the spring is not recommended and may void chuck warranty. Chuck Dia. 4 3 Jaw 4 6 Jaw 5 3 Jaw 5 6 Jaw 6 3 Jaw 6 6 Jaw 8 3 Jaw 8 6 Jaw 10 3 Jaw 10 6 Jaw 12 3 Jaw 12 6 Jaw 15 3 Jaw 15 6 Jaw JAWS Top Reversible Hard Jaw ID Grip Jaw OD Grip Jaw Master Jaw ATSC BVC ATSC BVC ATSC BVC ATSC BVC A063-HTJ A066-HTJ A083-HTJ A086-HTJ A103-HTJ A106-HTJ A123-HTJ A126-HTJ A153-HTJ A156-HTJ A063-HTJ A066-HTJ A083-HTJ A086-HTJ A103-HTJ A106-HTJ A123-HTJ A126-HTJ A153-HTJ A043-ISJ A046-ISJ A053-ISJ A056-ISJ A063-ISJ A066-ISJ A083-ISJ A086-ISJ A103-ISJ A106-ISJ A123-ISJ A126-ISJ A153-ISJ A156-ISJ A043-OSJ A046-OSJ A053-OSJ A056-OSJ A063-OSJ A066-OSJ A083-OSJ A086-OSJ A103-OSJ A106-OSJ A123-OSJ A126-OSJ A153-OSJ A156-OSJ A043-MJ A046-MJ A053-MJ A056-MJ A063-MJ A066-MJ A083-MJ A086-MJ A103-MJ A106-MJ A123-MJ A126-MJ A153-MJ A156-MJ B063-MJ B066-MJ B083-MJ B086-MJ B103-MJ B106-MJ B123-MJ B126-MJ B153-MJ 13

Manually Operated Mini Chucks Solid Reversible Jaws Model VSC - Low Profile Quick Clamping Chucks FEATURES & BENEFITS: Low profile design perfect for tool grinding Keyless & pinionless system allows for faster clamping/unclamping Can be mounted on spindle nose of tool grinders, rotary tables, indexing fixtures, and measuring devices Special adapters available CHUCK SHIPS COMPLETE WITH: 1 Set of reversible solid jaws 1 Wrench VSC 65mm VSC 80mm 3-JAW VSC MANUALLY OPERATED CHUCK Gripping Dia. (mm) Weight Part No. D D1 D2 D3 D4 D5 H H1 h h1 h2 M EXT. INT. Lbs. 2.5 VSC65mm 0.56 0.87 1.10 0.55 1.42 2.68 1.34 0.98 0.24 0.20 0.31 M14x1 1-50 16-50 1.1 3 VSC80mm 0.63 0.98 1.38 0.63 1.77 3.31 1.65 1.18 0.24 0.20 0.37 M16x1 1.5-70 20-70 3.3 Model BVC-S - Mini Scroll Chuck FEATURES & BENEFITS: Semi-steel body for lower cost option Solid reversible jaws Special compact design allows ability to turn small diameters Mounts to spindle using adapter flange 14 3-JAW CHUCK SHIPS COMPLETE WITH: 1 Wrench 1 Set of inside and outside solid jaws Soft jaws available MINI SCROLL CHUCK - MODEL BVC-S Part No. D D1 D2 D3 H H1 h Z-D B2033 3.15 2.17 2.60 0.63 2.60 1.97 0.14 (3) M6

Extra Heavy Duty Oil Country Chucks 3 Jaw Scroll Hardened Top Reversible Jaw FEATURES: Solid steel body American Standard Tongue & Groove master jaws 24 Steel Body Chuck Up to a 10.5 Thru-hole capacity featuring.001 TIR repeatability on duplicate parts for the production of oil country goods and similar heavy-duty applications. Master Jaw and Hardened Reversible Top Jaw styling accommodates both internal and external chucking operations. Mountings available for standard or special spindles. Specify spindle details when ordering. 3-JAW OIL COUNTRY 3-JAW SCROLL CHUCK Part No. A B C D E F G H J K RPM Wt. Lbs. 24 VLC2403A 24.80 5.26 13.74 6.65 10.63 0.30 6 5/8-11 UNC 38 5.00 2.56 3.35 850 678 *Larger sizes available - please contact our sales office at 800-228-BUCK for more information. 15

Extra Heavy Duty Oil Country Chucks 4 Jaw Independent - Hardened Top Reversible jaw FEATURES: Solid steel body American Standard Tongue & Groove master jaws 24 & 32 Steel Body Chucks Master jaw and hardened reversible top jaw styling up to 13 thru hole capacity for large, heavy duty applications. Competitively priced, these chucks provide top quality, serviceability and dependability with a name you can trust for demanding work. *Drawing depicts direct mount version of this chuck. 4-JAW OIL COUNTRY 4-JAW INDEPENDENT CHUCK Part No. A B C D E F, G H J K L M N P R RPM Weight Lbs. 24 IND24R 24.80 10.50 11.22 4.25 16.97 7/8-9x5 7.87 3.35 5.00 2.56 0.25 1.26 0.55 1.18 850 678 32 IND32R 31.50 13.11 14.96 4.69 16.50 8.50 3.35 5.00 2.56 0.86 1.57 0.71 1.50 450 772 Notes: 24 - direct mount to A2-15 - conversion plates available. 32 - plain back - A2-20 adapter in stock - other styles available. 16 *Larger sizes available - please contact our sales office at 800-228-BUCK for more information.

Power Chuck Selection Guide When selecting a new power chuck, it is important that you are aware of all specifications and requirements of your machine. Please complete the worksheet below and fax to 231-947-4953 or call us at 800-228-BUCK. CHUCK OUTSIDE DIAMETER SELECTION Inch 5 6.25 8 10 12.50 15.75 24 32 MM 125 160 200 250 315 400 610 800 *Chuck outside diameter should be selected in reference to the min-max workpiece diameter (inside or outside) **See chuck clamping ranges on pages 18 to 25 CHUCK TYPE SELECTION Type of Chuck # Jaws Plain Back A Mount Other Mount Page # Open Center 18,19,24 Closed Center 20,21,24 Air Clamping 22 Stationary 23 2/3 Jaw Combination 25 Other Contact sales office *Select the proper type of chuck in reference to the chuck application, machining requirements and workpiece dimensions. LATHE SPINDLE NOSE SELECTION *To determine proper spindle type and size (A and D) refer to page 10. CHUCK WORKING PARAMETER SELECTION Min. Chuck Hole Diameter Workpiece Diameter min-max Workpiece Length min-max Weight of Workpiece min-max Maximum Draw Bar Pull Force Maximum Gripping Force Maximum Machining Speed inch inch inch lbs Lbf/kN Lbf/kN rpm The overall length of the draw tube can be calculated after determining the distance between the face of the cylinder back plate and the face of the lathe spindle nose. THREADED NUT AND DRAW TUBE SELECTION It is important to know the thread of your existing draw tube or draw bar. Compare to the threading of the chuck you are selecting to be sure they match. If not, special draw nuts are offered. 17

High Speed Power Chuck Thru-Hole Draw Tube Operated Model OPK 3-Jaw Wedge Type Direct OEM Replacement FEATURES & BENEFITS: High quality alloy steel body allows for higher speeds Sharply increased dynamic gripping force greatly improves work efficiency and safety Interchangeable top tooling with 1.5mm x 60 jaw serration pitch Compact and lightweight, which allows for improved efficiency Direct mounting to fit ASA B5.9 Type A spindle High accuracy and endurance are realized due to improved lubrication system Heat treated alloy steel allows this chuck to achieve high durability CHUCK SHIPS COMPLETE WITH: ASA B5.9 Type A spindle adapter 1 Set of soft top jaws Wrench Dimensions denoted in millimeters unless otherwise specified. MODEL OPK 3-JAW WEDGE TYPE POWER CHUCK Model Spindle A B C D E F G H J K L M Nmax Nmin Omax Omin Pmax Pmin OPK-6 A2-5 169 90 140 82.56 15 5 116 104.8 46 6-M10 16 20 33.5 30.7 23.0 10.0 27 14 OPK-8 A2-6 210 103 170 106.38 17 5 150 133.4 52 6-M12 18 25 41.7 37.9 27.0 10.0 33.5 15.5 OPK-10 A2-8 254 113 220 139.72 18 5 190 171.4 77 6-M16 24 30 54.5 50.3 31.0 12.0 27.5 7.5 OPK-12 A2-8 304 122 220 139.72 18 6 190 171.4 91 6-M16 25 30 62.1 56.7 45.0 15.0 28 4 OPK-15 A2-11 381 149 300 196.87 22 6 260 235.0 118 6-M20 28 43 82.0 76.7 43.8 18.3 33 10 OPK-18 A2-11 450 149 380 196.87 22 6 320 235.0 118 6-M20 28 43 82.0 76.7 73.8 18.3 33 10 OPK-21 A2-15 530 161 380 285.78 27 6 330.2 330.2 140 6-M22 34 60 98.5 93.2 87.5 21.5 38 15 OPK-24 A2-15 610 170 380 285.78 27 6 330.2 330.2 165 6-M22 35 60 108.0 102.7 117.5 21.5 47 24 18 Model Q R S T Umax V W X Y Z MODEL OPK 3-JAW WEDGE TYPE POWER CHUCK Max. Grip Force (KGF) Max Speed RPM Jaw Stroke (Dia.) (mm) Max Grip (mm) Min Grip (mm) Max Input Force (KGF) Plunger Stroke OPK-6 32 12 19 2 M55X2 3-M6 60 20 33 66 6426 6000 5.5 169 13 2500 13 13.7 OPK-8 38 14 20.5 2 M60X2 3-M6 66 30 39 86 9597 5000 7.6 210 11 4080 18 23.6 OPK-10 44 16 27 2 M85X2 3-M8 94 30 45 108 12740 4200 8.5 254 31 5100 20 40.0 OPK-12 50 21 28 2 M100X2 3-M8 108 30 51 111 15000 3300 10.2 304 34 5916 24 64 OPK-15 62 22 39 5 M130X2 3-M10 139 60 70 165 18355 2500 10.6 381 30 7240 23 127 OPK-18 62 22 39 5 M130X2 3-M10 139 60 70 165 18355 2000 10.6 450 30 7240 23 178 OPK-21 65 25 39 5 M155X3 3-M12 166 80 73 180 23861 1700 10.6 530 87 9177 23 246 OPK-24 65 25 40 5 M175X3 3-M12 186 80 73 180 23861 1400 10.6 610 110 9177 23 304 *Larger sizes available - please contact our sales office at 800-228-BUCK for more information. Weight (Kg)

High Speed Power Chuck Thru-Hole Draw Tube Operated Model OPTK 2-Jaw Wedge Type Direct OEM Replacement FEATURES & BENEFITS: High quality alloy steel body allows for high speeds Sharply increased dynamic gripping force greatly improves work efficiency and safety Interchangeable top tooling with 1.5mm x 60 jaw serration pitch Compact and lightweight allowing for increased efficiency Direct mounting to fit ASA B5.9 Type A spindle High accuracy and endurance are realized due to improved lubrication system Heat treated alloy steel allows the achievement of high durability CHUCK SHIPS COMPLETE WITH: ASA B5.9 Type A spindle adapter 1 Set of soft top jaws Wrench Dimensions denoted in millimeters unless otherwise specified. MODEL OPTK 2-JAW WEDGE TYPE POWER CHUCK Model Spindle A B C F G H J K L M Nmax Nmin Omax Omin Pmax Pmin OPTK-6 A2-5 169 80 140 5 116 104.8 46 6-M10 12 20 33.5 30.7 23 10 12.0-1.0 OPTK-8 A2-6 210 91 170 5 150 133.4 52 6-M12 15 25 41.7 37.9 27 10 16.5-1.5 OPTK-10 A2-8 254 100 220 5 190 171.4 77 6-M16 17 30 54.5 50.3 31 12 4.5-10.5 OPTK-12 A2-8 304 110 220 6 190 171.4 91 6-M16 18 30 62.1 56.7 45 15 10-14.0 MODEL OPTK 2-JAW WEDGE TYPE POWER CHUCK Model Q R S T Umax V W X Y Z OPTK-6 32 12 19 2 M55X2 3-M6 60 20 33 66 4284 6000 5.5 169 13 1700 13 12.3 OPTK-8 38 14 20.5 2 M60X2 3-M6 66 30 39 86 6398 5000 7.6 210 11 2720 18 21.7 OPTK-10 44 16 27 2 M85X2 3-M8 94 30 45 108 8493 4200 8.5 254 31 3400 20 33.7 OPTK-12 50 21 28 2 M100X2 3-M8 108 30 51 111 10200 3300 10.2 304 34 3995 24 51.0 Max. Grip Force (KGF) Max Speed RPM Jaw Stroke (Dia.) (mm) Max Grip (mm) Min Grip (mm) Max Input Force (KGF) Plunger Stroke Weight (Kg) 19

High Speed Closed Center Power Chuck Model CLK 3-Jaw Wedge Type Direct OEM Replacement Features and Benefits: High quality alloy steel body allows for high speeds Sharply increased dynamic gripping force greatly improves work efficiency and safety Interchangeable top tooling with 1.5mm x 60 jaw serration pitch Compact and lightweight allowing for increased efficiency Direct mounting to fit ASA B5.9 Type A spindle High accuracy and endurance are realized due to improved lubrication system Heat treated alloy steel allows the achievement of high durability CHUCK SHIPS COMPLETE WITH: ASA B5.9 Type A spindle adapter 1 Set of soft top jaws Wrench Dimensions denoted in millimeters unless otherwise specified. MODEL CLK 3-JAW WEDGE TYPE POWER CHUCK Model Spindle A B C D E F G H J K L M Nmax Nmin Omax Omin Pmax Pmin CLK-6 A2-5 169 84 140 82.563 15 5 116 104.8 23 6-M10 14 20 41.0 36.7 13.0 7.0 86.5 66.5 CLK-8 A2-6 210 97 170 106.38 17 5 150 133.4 28 6-M12 18 25 46.3 41.9 22.5 9.0 110 89.0 CLK-10 A2-8 254 102 220 139.72 18 5 190 171.4 34 6-M16 25 30 51.1 46.7 30.7 11.2 140 115 CLK-12 A2-8 304 119 220 139.72 18 6 190 171.4 39 6-M16 25 30 61.0 55.7 48.7 12.7 145 115 Model Q R S T U V W X Y Z MODEL CLK 3-JAW WEDGE TYPE POWER CHUCK Max. Grip Force (KGF) Max Speed RPM Jaw Stroke (Dia.) (mm) Max Grip (mm) Min Grip (mm) Max Input Force (KGF) Plunger Stroke CLK-6 32 12 36 4 M16X2 3-M6 32 32 36 72 6426 6000 9.2 165 19 1938 20 14 CLK-8 38 14 36 5 M20X2.5 3-M6 38 38 43 95 8160 4800 8.8 210 23 2856 21 27 CLK-10 44 16 36 5 M20X2.5 3-M8 38 44 50 110 11730 4100 8.8 254 24 3315 25 40 CLK-12 50 21 36 5 M20X2.5 3-M8 38 50 54 111 16014 3400 10.5 304 26 4233 30 66 Weight (Kg) 20 *Larger sizes available - please contact our sales office at 800-228-BUCK for more information.

High Speed Closed Center Power Chuck Model CLTK 2-Jaw Wedge Type Direct OEM Replacement Features and Benefits: High quality alloy steel body allows for high speeds Sharply increased dynamic gripping force greatly improves work efficiency and safety Interchangeable top tooling with 1.5mm x 60 jaw serration pitch Compact and lightweight allowing for increased efficiency Direct mounting to fit ASA B5.9 Type A spindle High accuracy and endurance are realized due to improved lubrication system Heat treated alloy steel allows the achievement of high durability CHUCK SHIPS COMPLETE WITH: ASA B5.9 Type A spindle adapter 1 Set of soft top jaws Wrench Dimensions denoted in millimeters unless otherwise specified. MODEL CLTK 2-JAW WEDGE TYPE POWER CHUCK Model Spindle A B C F G H J K L M Nmax Nmin Omax Omin Pmax Pmin CLTK-6 A2-5 169 74 140 5 116 104.8 23 6-M10 14 20 41.0 36.7 13.0 7.0 101.5 81.5 CLTK-8 A2-6 210 85 170 5 150 133.4 28 6-M12 15 25 46.3 41.9 22.5 9.0 127 106 CLTK-10 A2-8 254 89 220 5 190 171.4 34 6-M16 18 30 51.1 46.7 30.7 11.2 158 133 CLTK-12 A2-8 304 106 220 6 190 171.4 39 6-M16 18 30 61.0 55.7 48.7 12.7 163 133 MODEL CLTK 2-JAW WEDGE TYPE POWER CHUCK Model Q R S T U V W X Y Z Max. Grip Force (KGF) Max Speed RPM Jaw Stroke (Dia.) (mm) Max Grip (mm) Min Grip (mm) Max Input Force (KGF) Plunger Stroke CLTK-6 32 12 36 4 M16X2 3-M6 32 32 36 72 4241 4300 9.2 165 19 1279 20 12.5 CLTK-8 38 14 36 5 M20X2.5 3-M6 38 38 43 95 5385 3600 8.8 210 23 1885 21 24.0 CLTK-10 44 16 36 5 M20X2.5 3-M8 38 44 50 110 7742 3100 8.8 254 24 2187 25 35.5 CLTK-12 50 21 36 5 M20X2.5 3-M8 38 50 54 111 10569 2500 10.5 304 26 2793 30 60.5 Weight (Kg) 21

Air Operated High Precision Power Chuck Rotating Model SPAC FEATURES AND BENEFITS: Highly flexible design solves gripping or turning issues in turn-key applications Unique top tooling Compact and lightweight allowing for increased efficiency Can be applied for mass produced metal working machines as ordinary attachments Most helpful for clamping non-standard and complicated parts for finishing operation and fine finish cutting Standard clamping jaw stroke is.7 To 3 mm Also available in 2 or 4 jaws models CHUCK SHIPS COMPLETE WITH: 1 set of soft top jaws Wrench Dimensions denoted in millimeters unless otherwise specified. AIR CLAMPING ROTATING MODEL SPAC POWER CHUCK Model A B C D E F No. Jaws Stroke (dia.) Max RPM Grip Force Per Jaw 6 Bars SPAC2 64 53.7 50.00 20.6 9 42.40 3 2 mm 6000 60 kg/cm2 SPAC3 80 70 60.00 20.7 18 55.30 3 2.5 mm 5800 120 kg/cm2 SPAC4 100 88.9 82.55 20.7 18 55.45 3 2.5 mm 5000 210 kg/cm2 SPAC5 125 114.3 101.6 20.7 18 55.45 3 2.5 mm 4300 330 kg/cm2 SPAC6 150 135.8 125.0 20.7 18 55.45 3 2.5 mm 4000 350 kg/cm2 SPAC8 200 183 167.6 20.7 6 80.45 3 2.5 mm 3500 900 kg/cm2 SPAC10 250 233.7 215.8 20.7 6 80.45 3 2.5 mm 2500 900 kg/cm2 22

Super-Life Power Chuck The Original Buck Power Chuck Stationary Hydraulic/Pneumatic FEATURES AND BENEFITS: Sliding jaw style power chuck Available as 2-jaw, 2/3-jaw or 3-jaw version Stationary model has hydraulic/pneumatic built-in cylinder Ideal for CNC machining centers as well as standard mills and grinders Designed with a sealed face to help protect internal parts from abrasion for longer service life in the most demanding applications Guaranteed repeatability of.001 TIR or better on duplicate part production Wear plates under master jaws are easily shimmed or replaced to restore original accuracy Featured with American Square Serrated Master Jaws American Standard Tongue & Groove, Acme Serrated and Metric Serrated also available NC Thru Hole styles also available this style offers higher maximum draw bar forces and line pressures Parts available for previous models contact our sales office for more information STATIONARY HYDRAULIC/PNEUMATIC 3 JAW POWER CHUCK Model A B C D E F G H Jaw Travel Max Drawbar Pull (lb.) Max Line Pressure (psi) G5606 6.50 2.00 1.00.25 2.88.41 5.19.16.25 2800 166 G5608 8.25 2.00 1.50.22 3.72.34 5.78.16.25 5000 170 G5610 10.0 2.00 2.00.31 4.50.53 6.37.31.25 9000 195 G5612 12.0 2.00 2.00.31 5.38.53 6.25.19.25 10500 160 G5615 15.0 2.00 3.18.31 6.75.66 8.06.38.25 15000 160 G5624 24.0 2.00 3.75.50 9.38.78 9.50.31.25 15000 50 23

Super-Life Power Chuck The Original Buck Power Chuck Hydraulic Sliding Jaw L K N J O D M FEATURES AND BENEFITS: Wedge style power chuck, made in USA by Buck Ajust-Tru Precision! The only power chuck with dead-zero precision mounting feature for near-zero runout Wide keyway to increase bearing surfaces, lessen wear and increase stability Wear plates under master jaws are easily shimmed or replaced to restore original accuracy Hardened and ground steel wear surfaces increase service life Hardened replaceable wedge bushings available for factory or field replacement. Simple grinding restores wedge to original fit 4-to-1 mechanical advantage in all chuck sizes Guaranteed repeatability of.001 TIR or better on duplicate part production. A B H F G C E Notes: Adjust-Tru power chuck mounting plate required. Please specify mounting at time of order Featured with American Standard Tongue and Groove Master Jaws American Square Serrated and Acme Serrated also available 2/3 Combination Jaw, N.C. Thru-hole, Stationary and Compensating models are also available for special order Parts available for previous models - please contact our sales office for more information SUPER-LIFE 3 JAW MODEL POWER CHUCK Model A B C D E F G H J K L M (max) M (min) N O G8006 6 4.78 1.00.62 2.06.46 3.25 5/8-18.50.15 7/16-14 2.43 2.18.125 1.50 G8008 8.25 6.15 1.50.65 2.62.53 3.85 5/8-18.50.15 1/2-13 3.06 2.75.125 1.75 G8010 10 7.91 2.00.88 3.37.68 4.46 1-14.75.18 5/8-11 3.81 3.43.125 2.12 G8012 12 7.91 2.00.88 3.37.68 4.46 1-14.75.18 5/8-11 4.50 4.12.125 2.50 G8015 15 11.78 3.18.94 4.62.78 5.15 1-14.75.28 3/4-10 5.62 5.25.125 3.00 G8024 24 16.03 3.75 1.18 6.50.94 6.50 1-14.75.31 3/4-10 7.12 6.62.125 3.00 24 Model Max Thru Hole (in.) Max RPM SUPER-LIFE 3 JAW MODEL POWER CHUCK Wedge Travel (in.) Max Drawbar Pull (lb.) Average Spindle Weight (lb.) Jaw Travel G8006.75 4000 1.00 2800 26.250 1 G8008 1.25 3500 1.25 5000 55.312 1 G8010 1.75 3000 1.50 9000 92.375 1 G8012 1.75 2500 1.50 10500 133.375 1 G8015 3.00 2000 1.50 15000 218.375 1 G8024 3.50 1000 2.00 15000 748.500 3 Cross Slots

Super-Life Power Chuck The Original Buck Power Chuck 2/3 Jaw Combination FEATURES AND BENEFITS: Sliding jaw style power chuck Ajust-Tru Precision! Dead-zero precision mounting features for near-zero runout Hold both round and square parts for greater flexibility and less machine down time Wide keyways to increase bearing surfaces, lessen wear and increase stability Extended master jaws bear against front plate to virtually eliminate bell mouthing Wear plates under master jaws are easily shimmed or replaced to restore original accuracy Hardened and ground steel wear surfaces increase service life Hardened replaceable wedge bushings available for factory or field replacement. Simple grinding restores wedge to original fit 4 to 1 mechanical advantage in all chuck sizes Guaranteed repeatability of.001 TIR or better on duplicate part production Extremely rugged and precise. Designed for easy maintenance Ajust-Tru power chuck mounting plate required. Please specify mounting at time of order Featured with American Standard Tongue & Groove Master Jaws American Square Serrated, Acme Serrated and Metric Serrated also available NC thru hole, stationary, and compensating models also available for special order Parts available for previous models contact our sales office for more information A B H D L K N J O C E M F G SUPER-LIFE 2/3 JAW COMBINATION POWER CHUCK Model A B C D E F G H J K L M (max) M (min) N O G8610 10 7.91 2.00.88 3.37.68 4.46 1-14.75.18 5/8-11 3.81 3.43.125 2.12 G8612 12 7.91 2.00.88 3.37.68 4.46 1-14.75.18 5/8-11 4.50 4.12.125 2.50 G8615 15 11.78 3.18.94 4.62.78 5.15 1-14.75.28 3/4-10 5.62 5.25.125 3.00 G8624 24 16.03 3.75 1.18 6.50.94 6.50 1-14.75.31 3/4-10 7.12 6.62.125 3.00 Model Max Thru Hole (in.) Max RPM SUPER-LIFE 2/3 JAW COMBINATION POWER CHUCK Wedge Travel (in.) Max Drawbar Pull (lb.) Average Spindle Weight (lb.) Jaw Travel G8610 1.75 2600 1.50 9000 92.375 1 G8612 1.75 2200 1.50 10500 133.375 1 G8615 3.00 1500 1.50 15000 218.375 1 G8624 3.50 900 2.00 15000 748.500 3 Cross Slots 25

Buck Power Chuck Accessories Buck Offers a wide range of standard and custom built accessories to complete your power chuck package. Special Adapters We offer the technical service and equipment needed in order to apply Buck Chucks to special machines. Discuss your needs with your Buck Representative or call toll free to utilize our experienced Technical Service Department. Actuator Packages Complete actuation packages available - custom fit to your machine. Draw Bar: For power operated chucks. Specify machine make, model, spindle nose type and size and overall length of spindle when ordering. Master Key & Jaw Nut Conversion sets: To save the cost of replacing costly top jaws and special tooling, order Buck conversion sets. Acme Master Jaw to Square Serrated Top Jaws or Square Serrated Master Jaws to Acme Top Jaw sets are both available. Draw Tube For use with bushing equipped Super-Life Chucks. Permits the insertion of parts through the face of the chuck. Available in various lengths and diameters. When ordering, specify machine make, model, spindle nose type and size. 26 Soft Top Jaws A complete selection of Soft Top Jaws, readily available, competitively priced. Extension Tube Required for Air cylinder installation on the outboard end of the spindle where power-chucking adaptation has not been provided. Centering of the tube is maintained by a flange on the front end and a taper nut at the rear end of the tube. When ordering, specify the machine make, model, spindle nose type, size and overall length, plus minimum bore size.

Buck Forkardt Quick Change Chucks Model FNC Power Chuck Precision made by Forkardt, Germany Available as 3-jaw version Extremely high grip forces due to patented heavy duty, trapezoidal wedge hook actuation Jaw change-over time for next turning operation is just a few seconds Much less weight than other quick-jaw-change chucks - higher speeds Model Actuating Force (lbs) FNC POWER CHUCK 3 JAW Grip Force (lbs) Max RPM (1/min) Shipping Wt. (lbs) Jaw Stroke (per jaw) mm inches 200mm (8 ) 6744 12364 6300 24 7.2.283 200mm (8 ) 10116 18884 5500 33 7.2.283 250mm (10 ) 13488 26997 4700/4500 48/53 8.3.326 315mm (12 ) 13488 26997 4000 81 8.3.326 400mm (15.75 ) 22481 43838 3300 150 10.0.393 500mm (19.68 ) 26997 53954 2200 253 12.0.472 630mm (24.80 ) 26997 53954 1700 441 12.0.472 Available with base jaws, one-piece stepped hard jaws, special soft top jaws, hard top jaws, soft monoblock jaws and special jaws. Model F+ Manual Chuck Large thru-hole for bar work Quick jaw change-over - takes just seconds Available with wide range of ASA spindle adapters Model Bore Max. Torque Mdmax (Nm) F+ MANUAL CHUCK 3 JAW Max Gripping Force Fspmax (dan) Max. Spindle Speed n max (min -1 ) Moment of Inertia J (kgm 2 ) Flywheel Effect WR 2 (kpm 2 ) Weight (with base jaws) (kg) 125mm (5 ) 32 80 3700 6000 0.0075 0.03 3.7 160mm (6 ) 42 120 5900 5200 0.0325 0.13 8.2 200mm (8 ) 52 160 7600 4600 0.1025 0.41 17.7 250mm (10 ) 61 190 17500 4000 0.285 1.14 30.7 315mm (12 ) 86 210 21500 3200 0.8125 3.25 59.4 400mm (15.75 ) 102 260 23400 2200 2.2 8.8 96.4 500mm (19.68 ) 152 320 25000 1500 5.5 22.0 153.9 630mm (24.80 ) 242 350 28000 1000 17.5 70.0 274.9 Available with base jaws, one-piece stepped hard jaws, special soft top jaws, hard top jaws, soft monoblock jaws and special Jaws. 27

ALSO AVAILABLE FROM BUCK BUCK Pull Back Power Chucks 2 or 3-Jaw Ajust-Tru precision plus 100% more gripping power than conventional chucks. The Pull-Back is the perfect match for single or multiple spindle machines making heavy cuts on precision work. No other chuck comes close to matching this quality, accuracy, and durability. Available in 5 to 24 other sizes upon request Logansport Self Centering Power Chucks 352, 452, 430, 440, 330 and 340 series 2-jaw, 3-jaw or 2/3-jaw available The Logansport lever design offers a high degree of mechanical advantage which, in turn, allows for the use of smaller diameter rotating cylinders. Quality materials are used throughout and all center parts are protected by pressure lubrication. Logansport chucks have long enjoyed a well deserved reputation for durability and uninterrupted service. Available in 6 to 24 other sizes upon request Logansport 3-Jaw Compensating Power Chucks 362, 364 & 370 Series One Piece Body The design simplicity of Logansport chucks insures lasting accuracy and efficiency. They are one piece body, cored for light weight, and radially reinforced for extra rigidity. Compensating power chucks are used for turning parts between centers. Available in 6 to 24 other sizes upon request 2155 Traversefield Dr. Traverse City, MI 49686 Tel: 800-228-BUCK Fax: 231-995-8362 www.buckchuck.com info@buckchuck.com Buck Chuck Company is your workholding solution. If there is something you need that is not featured here, please contact us. We may be able to help. BC 2009 Rev.3