The main features of quality twist drills made out of high speed steel (HSS) are:

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1 drill bits mounted drill bits on 2.35mm shanks Busch Mounted Drills (On 2.35mm Shank) Shank Drills 1pc each 6pcs+ each mm mm mm mm mm mm mm mm mm mm mm mm mm mm Busch 203 HSS Mounted Drills (On 2.35mm Shank) HSS Shank Drills mm mm mm mm mm mm mm mm mm mm mm mm The main features of quality twist drills made out of high speed steel (HSS) are: Long life due to high temperature stability Unlikely to fracture, even in smaller diameters Constructed for hard materials Precise concentricity Application: Drilling of specially hard metal alloys, pearls and corals at a recommended number of revolutions of 1,400-10,000 Cooling liquid or drilling oil can be used 584 orderline:

2 drill bits maillefer swiss made mounted drills on 2.35mm shank Maillefer Swiss Mounted Drills (On 2.35mm Shank): Swiss Shank Drills 1pc each 6pcs+ each B 0.50mm B 0.60mm B 0.70mm B 0.80mm B 0.90mm B 1.00mm B 1.20mm B 1.50mm B 2.00mm Set of 12 Swiss Shank Drills order online: cooksongold.com 585

3 steel burrs Code Size Price/ Code Size Price/ Code Size Price/ Round: Busch No mm 0.65 Cone: Busch No mm 0.75 Cylinder: Busch No mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 2.03 Inverted: Busch No mm mm mm mm mm mm mm mm mm mm mm mm 1.58 Burrs By keeping your burrs well lubricated during use it will reduce chatter and aid precision during grinding and drilling. See page 512 for lubricants mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 2.03 Flame: Busch No mm mm mm mm mm mm mm mm 0.75 Bud: Busch No mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm, mm mm mm mm mm mm mm mm mm mm mm mm mm 0.96 Busch No. 411CCC A 1.0mm B 1.2mm C 1.4mm D 1.6mm E 1.8mm F 2.1mm H 2.3mm 1.56 Clean Cut Cup Burrs Ref: Busch no. 411CCC above Please Note: Each price quoted assumes a purchase of 6 of any particular size. Purchases less than 6 of each size will attract a premium. 586 orderline:

4 steel burrs, diamond burrs & pearl drills Code Size Price/ Cup: Busch No mm mm mm mm mm mm mm mm mm mm 1.17 Stone Setting: Busch No mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 4.91 Code Size Price/ Bearing Cutter: Busch No mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 3.19 Please Note: Each price quoted assumes a purchase of 6 of any particular size. Purchases less than 6 of each size will attract a premium. 999 CJZ Code Size Price/ Wheel Burr: Busch No ACA 6mm ACB 8mm ACC 10mm 5.35 Pearl Drill: Busch No CHV 0.9mm CHW 1.0mm CHX 1.2mm CHY 1.4mm 3.42 Riveting Wheel: Busch No 452 (suitable for burnishing) mm ea mm ea Flat Cutter: Busch No ABT 6mm ABV 10mm 5.30 Knife Edge Cutter: Busch No ABX 6mm ABY 8mm ABZ 10mm 9.54 Diamond Burrs: 999 AD7 1.4mm Straight mm Round mm Round mm Round mm Round mm Tapered Point mm Wheel CCS Set of 12 assorted shape (shapes may vary) Diamond Wheels: Diamond Edged Circular Saw (22mm) with mandrel CJZ Set of 5 saws with spindle ACH Diamond Edged Circular Saw (22mm) without mandrel ACH 999 CCS order online: cooksongold.com 587

5 rubber abrasive wheels Image Code Description Colour Grade Price/ Silcon Rubber Wheels - To Fit Screw In Top Mandrel: (Speed 5,000-12,000 RPM) All Wheels: Coloured Rubber Wheels White - Extra Coarse 1.27 ea 0.64 ea Coloured Rubber Wheels Black - Coarse Coloured Rubber Wheels Light Blue - Medium Fine Coloured Rubber Wheels Pink - Extra Fine Knife Edge Rubber Wheels - To Fit Screw In Top Mandrel: All Wheels: Knife Edge Rubber Wheels White - X-Coarse 1.27 ea 0.64 ea Knife Edge Rubber Wheels Black - Coarse Knife Edge Rubber Wheels Blue - Med/Fine Knife Edge Rubber Wheels Green - X-Fine Mandrel code is 999 AET see page orderline:

6 rubber abrasive wheels, knife edge wheels, burrs Image Code Description Colour Grade Price/ Eveflex Polishing Pins & Mandrels: (Speed 10,000-20,000 RPM) All Burrs: Rubber Abrasive Pin 3 x 23mm Blue - Coarse, Hard 1.27 ea ea Rubber Abrasive Pin 3 x 23mm Grey - Medium, Soft Rubber Abrasive Pin 3 x 23mm Brown - Fine, Soft Rubber Abrasive Pin 3 x 23mm Green - Extra Fine, Soft ADO Mandrel for Rubber Abrasive Pin 3.87 EVE Pumice Polisher Safe polishing for set jewellery. For prepolishing of frame margins without the risk of scratching precious & synthetic stones Pumice wheel 22 x 3mm Green/Medium Pumice wheel 22 x 3mm Grey/Fine For Felt, Cotton & Calico wheels see page 601 order online: cooksongold.com 589

7 rubber abrasive burrs Image Code Colour/Grade Description Price/ Eveflex Long Lasting High Performance Polishers on 2.34mm Shank: (Speed 5,000-12,000RPM) All Wheels: 4.3 x 12mm Blue Coarse Hard yet flexible 1.57 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 5 x 16mm Blue Coarse Hard yet flexible 1.57 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 7 x 15mm Blue Coarse Hard yet flexible 1.57 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 7 x 15mm Blue Coarse Hard yet flexible 1.57 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 14.5 x 2.5mm Blue Coarse Hard yet flexible 1.57 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 10 x 12mm Blue Coarse Hard yet flexible 1.57 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 14 x 12mm Blue Course Hard yet flexible 1.89 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing 590 orderline:

8 rubber abrasive burrs & airflex polishers Image Code Colour/Grade Description Price/ Rubber Eveflex Large Cylinder Burrs - To fit screw thread mandrel: 999 AES All Wheels: 7 x 20mm Blue Coarse Hard yet flexible 0.85 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing Rubber Eveflex Cylinder Wheels - To fit screw top mandrel: 999 AET All Wheels: 23 x 3mm Blue Coarse Hard yet flexible 0.85 ea ea Grey Medium Suitable for trimming castings Brown Fine For creating a matte finish Green Extra Fine High lustre polishing Airflex Polishers Cool trimming and effective polish on silver, platinum, palladium & titanium. Working speed ,000 rpm. Wheel 22x3mm. Pack of Blue Coarse Green Medium Brown Fine 4.47 order online: cooksongold.com 591

9 speedy & paper discs, carborundum abrasive & coarse grey wheels Speedy Discs (22mm): 999 AEW Speedy/separating discs (Box of 100) AEW Paper Discs (22mm with pin hole): 999 AEX Paper Discs - fine (Box of 100) AEY Paper Discs - medium (Box of 100) AEZ Paper Discs - coarse (Box of 100) 7.22 Diamond Polishers for Platinum: 999 GAC Set of E03 Thick Wheel 11x4mm Fine E04 Thick Wheel 11x4mm Medium E05 Thick Wheel 11x4mm Coarse 9.33 They produce a high shine on platinum, stone & ceramics. 999 AEY Pink Carborundum Abrasives: (on 2.34 mm Shank) 999 AH6 6.5mm mm AE8 4.0mm AE7 5.0mm AE9 5.0mm mm AF7 3.3mm mm mm x 17mm AH9 6.5mm Please note: Sizes subject to change 999 E03/E04/E05 Extra Coarse Grey Wheels: Extra Coarse Grey Rubber Abrasive Wheel - suitable for grinding - 22mm diameter ea ea ea AF7 999 AH GAC 999 AE Pink Carborundum Abrasives 999 AE Obtain a smooth, uniform surface with this carefully graded abrasive. Max speed 25,000 RPM 999 AE9 999 AH9 592 orderline:

10 mandrels, pin vice, frosting wheels & circular saws Mandrels: 999 AER Split Mandrel for emery paper etc CBJ Split Mandrel Tapered AES Screw Thread Mandrel for rubber cylinder burrs etc AET Screw In Top Mandrel for rubber wheels etc Pin Vice: 999 FAU Pin Vice with shank and 3 collets, for use with Frosting Wheels: (Suitable for use with pendant drill) pendant drill CCN Frosting Wheel on a 2.35mm shank Extra Fine mm CCP Frosting Wheel on a 2.35mm shank Fine mm CCQ Frosting Wheel on a 2.35mm shank Medium mm CCR Frosting Wheel on a 2.35mm shank Course mm Please Note: Eye protection must be worn! Circular Saws: 999 AEU Circular Saws - 16mm 1.27 Each 999 AEV Circular Saws - 19mm 1.56 Each 999 AER 999 CBJ 999 AES 999 AET 999 FAU 999 CCQ 999 AEU...steel burrs? see page 586 order online: cooksongold.com 593

11 diamond burrs, diamond wheels & polishing burnishers Burr Stand: 999 ACI Plastic Burr Stand 6.55 Burr Life: Burr Life Lubricant 4.57 Magnetic Burr Holder 999 MBS 45mm diam. x 45mm high, can hold up 40 burrs 8.14 Radial Abrasive Discs 1.9mm: On 2.3mm Shank Yellow / Coarse Red / Medium Blue / Fine Pink / Super Fine 4.86 Carbide Polishing Burnishers: 999 BSA Small Carbide Burnisher BSB Small Carbide Burnisher BSC Large Carbide Burnisher IBD Large Carbide Burnisher ACI 999 MBS BSA 999 BSB BSC 999 IBD These "Starlight" carbide burnishers can produce a high lustre finish on flat surfaces, edges as well as uneven areas. They are suitable for for all metals & work best at 25-35,000 RPM These abrasive discs have a flexible bristle design that can be used for cleaning, prepolishing & texturing. They will remove oxides without messy compounds & will not generate the heat associated with rubber wheels. Ideal for those hard to reach areas. Recommended speed 15,000-30,000 RPM 594 orderline:

12 pendant wheels, cups, points 999 ACM Pendant Wheels (21mm): All Pendant Wheels are: 999 BDS - Stiff Black Bristle 999 SAA - Stiff White Bristle 999 SAB - Medium Soft Grey Bristle 999 ACJ - Soft White Bristle 999 ACK - Steel for a brushed finish on white metals 999 ACL - Brass for a brushed finish on yellow metals 999 ACM - Solid Felt 999 CAI - Knife Edge Wheel Felt 999 ACN - 3 Layer Pendant Wheel Felt 999 ACO - Cotton Pendant Wheel 999 ACP - Calico Pendant Wheel 999 ACQ - Leather Pendant Wheel 0.75 Each 999 ACR Scotchbrite Wheel for a uniform satin finish 1.79 Each Pendant Cups: All Pendant Cups are: 999 CI7 - Stiff White Bristle 999 ACS - Stiff Black Bristle 999 ACT - Steel 999 ACU - Brass Pendant Points: All Pendant Points are: 999 CC9 - Bristle (white) 999 ACV - Bristle (black) 999 ACW - Steel 999 ACX - Brass 999 BLE - Felt 999 ACY - Felt 999 BLD - Felt 999 BLF - Felt 999 CBM - Felt Sander Roll: Abrasive waterproof paper rolls, mounted on 2.35mm shank in three grades, sold in boxes of Grade 240 Coarse Grade 400 Medium Grade 600 Fine Each 0.75 Each 999 ACO 999 ACR 999 CC9 999 ACV 999 ACW 999 ACX 999 ACP 999 C ACY 999 BLD 999 BLE 999 BLF If stiff black bristle wheels are not available try the stiff white bristle. 999 CBM order online: cooksongold.com 595