New Swanson Gages TH READ GAGES Certification of Compliance to Class (Short Form)... No Charge Certification of Calibration to Size (Long Form)...$. / member TA PER PIPE GAGES Certification of Compliance to Class (Short Form)... No Charge Certification of Calibration to Size (Long Form)...$. / member C E RTIFICATE OF COMPLIANCE (Short Form) Certificate indicates the gage complies with applicable H and ANSI standards. C E RTIFICATE OF CALIBRATION (Long Form) Certificate indicates actual measurements of pitch diameter, major diameter, minor diameter, flank angles and lead where they apply. TH READ PLUG GAGES: Work or Setting Customer Supplied Gages Sizes # to -/" (M. to M9)...$. / member Sizes -9/" to " (M to M)...$. / member NOTE: A s the centerline (axis) of Trilock plug gages cannot be accurately located, the lead cannot be calibrated and half-angle relation to axis cannot be accurately calibrated. The flank angles can be calibrated for included angle only. TH READ RING GAGES: Standard sizes to -/" (M9)...$. / member Non-standard sizes # to " (M. to M)...$. / member Non-standard sizes over " to " (over M to M)...$. / member NOTE: F or non-standard ring sizes where a set plug is not in our stock or is not furnished, a special tooling charge applies and will be quoted prior to processing. TA PER PIPE GAGES Plugs Rings izes /" to "... $. / member S Sizes -/" to "... $. / member Plugs C LINDRICAL GAGES S izes Sizes Sizes Sizes Sizes $. / member $. / member." to." (M. to M.)... $.." to." (M. to M.)... $.." to." (M. to M.)... $.." to." (M. to M.)... $. below." and over." call for quote / / / / Rings member member member member $. $. $. $. / / / / member member member member -9- --9-9-9
SERVICE Gage Calibration Service... THREAD GAGES WORK PLUG HSS/TiN Coated - UNC, UNF, UNEF... WORK PLUG UNC, UNF, UNEF... RING UNC, UNF, UNEF... SETTING PLUG UNC, UNF, UNEF..., & PITCH Work Plug..., & PITCH Ring & Setting Plug... HELICAL COIL (STI) Tool Steel & HSS/TiN Coated...9 LEFT HAND Work Plug, Ring & Setting Plug... REVERSIBLE UNC, UNF... METRIC Work Plug - Reversible... METRIC Work Plug - Taperlock - Tool Steel & HSS/TiN Coated... METRIC Ring... METRIC Setting Plug... PIPE NPT, NPTF, ANPT - Plug & Ring... PIPE NPSM - Work Plug, Ring & Setting Plug... PIPE NPSF - Work Plug... BRITISH PARALLEL (BSPP) Work Plug, Ring & Setting Plug... BRITISH TAPER (BSPT) Work Plug & Ring... FLEIBLE HOLE LOCATION GAGES... THREAD MEASURING WIRES...9 PLAIN CLINDRICAL GAGES REVERSIBLE... TRILOCK... TAPERLOCK... PROGRESSIVE... RING... MASTER SETTING DISCS... PITCH DIAMETER TABLES TABLE TABLE TABLE TABLE TABLE TABLE I II III IV V VI Thread Plug Gages... Thread Ring & Setting Plug Gages... (STI) Helical Coil Insert Plug Gages... Metric Thread Plug Gages... Metric Thread Ring & Setting Plug Gages... Straight Pipe Plug & Ring Gages...9 ANSI THREAD SERIES DESIGNATIONS... S SUBJECT TO CHANGE WITHOUT NOTICE All sales subject to and governed by the Terms and Conditions of Sale for Swanson Tool Manufacturing, Inc. located at /terms.htm -9- --9-9-9
Class "" Tolerance Precision Lapped THREADS PER INCH NOMINAL SIE / / / / / / / / / / 9/ 9/ / / / / / / / / / " " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ NC UNC NF UNF NEF UNEF 9 NS NO,, B, B, B B, B.... 9......................... 9..... 9. 9. 9... 9.... 9. 9...... 9......................... 9..... 9. 9. 9... 9.... 9. 9.. HANDLES B, B............................... 9............... 9. 9. 9.. 9. 9. 9. 9...... 9.... For TiN coated METRIC PLUGS (see pg. ), HELICAL COIL PLUGS (see pg. 9). For TiN coated PIPE PLUGS & SPECIALS call Swanson Advantages of TiN Coating: Greatly increased tool life Surface hardness greater than HSS Greater corrosion resistance Greater abrasion resistance Increased lubricity Visible sign of gage wear Lower gaging cost Increased productivity
Class "" Tolerance Precision Lapped THREADS PER INCH HANDLES NO NOMINAL NEF,, NC NF NEF SIE UNEF B, B, B B, B UNC UNF UNEF / / / / / / / / / / 9/ 9/ / / / / / / / / / " " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ 9 NS............... 9.. 9.... 9.. 9.......... 9. 9. 9. 9. 9.. 9.... 9................. 9.. 9.... 9.. 9.......... 9. 9. 9. 9. 9.. 9.... 9................... B, B 9. 9. 9........................ 9....... 9. 9. 9. 9........ 9.. For chrome plate add %. -9- --9-9-9
THREADS PER INCH NOMINAL NC NF NEF SIE UNC UNF UNEF Class "" Tolerance Precision Lapped / / / / / / / / / / 9/ 9/ / / / / / / / / / " " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ 9 NS NO, A, A, A A, A..... 9. 9. 9. 9. 9...... 9.. 9. 9. 9. 9...... 9................ 9......... 9. 9. 9. 9. 9...... 9.. 9. 9. 9. 9...... 9................ 9.... (SET) / NO HOLDERS A, A.................. 9................. 9. 9. 9...................... 9. 9. 9. 9. 9. 9.......................... Chrome Plate for /" and larger add %. For "J" Conversion Add $. to ring price. -9- --9-9-9
Class "" Pitch Diameters "W" Lead & Angles Precision Lapped THREADS PER INCH NOMINAL NC NF NEF SIE UNC UNF UNEF / / / / / / / / / / 9/ 9/ / / / / / / / / / " " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ 9 NS HANDLES NO, A, A, A A, A... 9. 9..... 9. 9.. 99.. 99.. 9.. 9..... 9.... 9......... 9... 9. 99.. 9....... 9. 9..... 9. 9.. 99.. 99.. 9.. 9..... 9.... 9......... 9... 9. 99.. 9..................... A, A....................... 9.. 9........... 9......... For class "W" pitch diameters add %. -9- --9-9-9
"UN" Class B & B Class "" Tolerance NOMINAL SIE & PITCH / / / / " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ " -/ -/ -/ -/ -/ -/ -/ " -/ -/ -/ " HANDLES B, B NO B, B............. 9...... 9. 9...................... 9...... 9. 9......... -/ -/ -/ -/....................................... 9. 99........... *. *. *. *. * * handles & pitch for these sizes are standard see page. Sizes /" to -/" are Taperlock. Sizes -/" to " are Trilock. For plug gages over " diameter call Swanson. For TiN coated thread plug gages call Swanson. -9- --9-9-9
RING NOMINAL SIE & PITCH "UN" Class A & A Class "" Tolerance Precision Lapped For ring gages over -/" call Swanson. / / / / " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ " -/ -/ -/ -/ HOLDER A, A NO A, A SET / NO....... 9. 9...... 9.. 9............ 9. 9...... 9.. 9....................................... & pitch for these sizes are standard see page. NOMINAL SIE & PITCH "UN" Class A & A Class "" Pitch Diameters "W" Lead & Angles Precision Lapped Sizes /" to -/" are Taperlock. Sizes -/" to -/" are Trilock. For class "W" pitch diameters call Swanson. For Setting Plug Gages over -/" call Swanson. / / / / " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ " -/ -/ -/ -/ HOLDER A, A NO A, A....... 9. 9..... 9............... 9. 9..... 9........ -/ -/ -/ -/...................... 9. 9.......... 9. 9.. 9. 9... & pitch for these sizes are standard see page. -9- --9-9-9
Class "" Tolerance Precision Lapped REGULAR TOOL STEEL TiN COATED HIGH SPEED STEEL NOMINAL SIE B, B NO B, B B & B B, B NO B, B B & B - - - - - - - - - - - /- /- /- /- /- /- /- /- /- /- 9/- 9/- /- /- /- /-. 9. 9. 9. 9. 9....................... 9. 9. 9. 9. 9............................ 9. 9. 9. 9. 9. 9. 9. 9. 9. 9. 9........... 9..................... 9. 9..... 9..................... 9. 9..... 9........................... HANDLES For class "W" pitch diameters call Swanson. For chrome plate (on regular steel only) add %. 9-9- --9-9-9
THREADS PER INCH NOMINAL SIE NO B, B B, B UNF UNC For chrome plate add / / / / / 9/ / /... 9. 9. 9. 9. 9. 9.... 9.. %. UNC / / / / / 9/ / /... 9. 9. 9. 9. 9. 9.... 9. For TiN coated prices call Swanson. THREADS PER INCH NOMINAL SIE... 9. 9. 9. 9. 9. 9.... 9.. HANDLES UNF A, A NO A, A SET........................................ HOLDERS........ 9. 9. 9.... Chrome plate for /" & larger add %. THREADS PER INCH NOMINAL SIE UNC UNF / / / / / 9/ / / NO A, A A, A............................ HANDLES.............. For class "W" pitch diameters add %.
Class "" Tolerance Precision Lapped THREADS PER INCH HANDLES NO NOMINAL SIE NC UNC NF UNF,, B, B B B, B B, B / / / / / 9/ / / 9. 9. 9................ 9. 9. 9................ W W W W W W W W W W W W W W W W W W.................................... For chrome plate add %. TiN coated available for # and larger. Class "" Tolerance Precision Lapped H H NO METRIC SIE AND PITCH M. M M. M M. M M M M M M M M M..................... For chrome plate add %.... 9....... 9....... 9....... 9.... HANDLES W W W W W W W W W W W W W W............................ TiN coated available for M and larger. -9- --9-9-9
Class "" Tolerance Precision Lapped REGULAR TOOL STEEL METRIC SIE AND PITCH H M. M. M M. M. M M. M M. M M M M M M M M M M M M M M M M M M M M9................................................................. 9.......... 9. 99.... H NO.............. 9.......... 9. 99.......... 9. 9.. 9...... 9. 9. 9... 9....... TiN COATED HIGH SPEED STEEL H H NO 9................... 9.... 9... 9... 9................... 9.... 9... 9.......................... 9...... HANDLES -/........ Metric gages made to ANSI B. dimensions. Blanks conform to ANSI B. dimensions. For chrome plate (on regular steel) add %. -9- --9-9-9
Class "" Tolerance Precision Lapped M. M. M M. M. M M. M M. M M M M M M M M M M M M M M M M M M M M9................................................. SET METRIC SIE AND PITCH.. HOLDER g g NO / NO..... 9. 9............... 99......... 9. 9............... 99............................. 9................. 9. 9............... Metric gages made to ANSI B. dimensions. Blanks conform to ANSI B. dimensions. For chrome plate for M and larger add %. -9- --9-9-9
Class "" Pitch Diameters "W" Lead & Angles Precision Lapped METRIC SIE AND PITCH M. M. M M. M. M M. M M. M M M M M M M M M M M M M M M M M M M M9................................................... HANDLES g g NO.. 9. 9. 9. 9. 9. 9. 9. 9..... 9........... 9. 9..... 9. 9. 9. 9. 9. 9. 9. 9..... 9........... 9. 9... -/............... 9. 9. 9..... 9....... 9.... 9.. 9.. Metric gages made to ANSI B. dimensions. Blanks conform to ANSI B. dimensions. For class "W" pitch diameters add %. -9- --9-9-9
SIE NPT L NPTF L NPTF L NPTF -STEP PLAIN ANPT L ANPT L ANPT -STEP PLAIN /- /- /- /- /- /- "- / /- / /- / "- / /- "- /- "- "- "-.... 9. 9... 9.. 9.... 9....... 9...... 9... 9......... 9........ 9.. 9.... 9............ 9..... 9............. 9.. 9.. 9. NPT and NPTF plug gages are single step. For NPT or NPTF -step or -step design add $. per step. ANPT L & L plug gages are -step design per SAE AS. HANDLE............ For TiN coated Pipe Plug prices call Swanson. SIE NPT L NPTF L THIN NPTF L THICK NPTF -STEP PLAIN ANPT L THIN ANPT L THICK ANPT -STEP PLAIN /- /- /- /- /- /- "- / /- / /- / "- / /- "- /- "- "- "-. 9. 9.... 9. 9...... 9....... 9. 9.......... 9..... 99. 9. 9. 9. 9. 9. 9... 9. 9........ 9.... 9.... 9... 9. 9.... 9............... 9. N.P.T. American National Pipe Thread Series N.P.T.F. National Taper Pipe Dryseal Series A.N.P.T. Aeronautical Tapered Pipe Thread Series For Master Plug and Ring prices call Swanson. -9- --9-9-9
SIE /- /- /- /- /- "- / /- / /- / "- / /- "- or NO.. 9. 9. 9.... 9... HANDLE -/ -/........ RINGS NPSM-A SET PLUGS NPSM-A WORK PLUGS NPSM-B or NO HANDLE.. 9.... 99.... *. *... 9....... 9. -/ -/ or NO SET & NO... 9. 99.. 9.... *. *...... 9. 9..... 9................. * Handles For chrome plate: w ork plugs add %. rings add %. For TiN coated thread work plugs call Swanson. SIE or NO /- /- /- /- /- /- "- / 9. 9. 9..... HANDLE... 9. 9. 9.... For chrome plate add %. For TiN coated thread plug gages call Swanson. -9- --9-9-9
SET PLUGS "G" (BSPP) Class "B" WORK PLUGS "G" (BSPP) SIE /- /- /-9 /-9 /- /- "- /- /- "- /- "- HANDLE HANDLE RINGS "G" (BSPP) Class "B" or NO or NO or NO SET & NO 9. 9. 9....... 9... -/ -/........ 9. 9. 9..... 99.... *. *........... 9. -/ -/............... 9.... *. *....... 9. 9.............. * Handles Note: Whitworth thread form, modified with truncated crest and cleared root, for the inspection of product threads to ISO- or BS9. G (internal and external straight). There are two classes of external threads: "A" (close fit) and "B" (free fit). Class "B" is used unless Class "A" is specified. Call for Class "A" ring and set plug gage pricing. For TiN coated thread work plugs call Swanson. WORK PLUGS "Rc" or "Rp" SIE WORK PLUG ONL (BSPT) /- /- /-9 /-9 /- /- "- /- /- "- /- "-.......... 9.. System "A" WORKPLUG WITH HANDLE RINGS "R" System "A" (BSPT)........... 9. 99. 99... 9. 9. 9.... 9.. 9... 9. 9. 9. 9.. HANDLE Note: Whitworth thread form, modified with truncated crest and cleared root, to BS. For the inspection of product threads to BS, BS EN-, and ISO-. Rc (internal taper), Rp (internal straight) and R (external taper). Call for system "B" gage pricing. Plug gages have one step at basic gage plane. For TiN coated thread work plugs call Swanson.
Hole Location Gages (also referred to as Centerline Hole Location Plugs, or Flex Plugs) are used to measure the location of a tapped hole in a part, typically with a CMM. They are also used to determine centerline to centerline distances of threaded holes. S lotted at 9 increments to ensure positive location on the thread flanks, regardless of hole size (sizes over # or M) S izes # (M) and smaller are solid with a front tapered thread section to cover the entire product tolerance (class B or H) T he." +/-." (.mm +/-.mm) shank is concentric to the threaded section within. T.I.R. prior to slotting For inspecting the location of a threaded hole in a part For determining centerline to centerline distances of threaded holes Inch Metric SIE SIE SIE - UNF - UNC - UNF - UNC - UNF - UNC - UNF - UNC - UNF - UNC - UNF - UNC - UNF - UNC - UNF - UNC - UNF - UNC - UNF /- UNC.................... /- UNF /- UNC /- UNF /- UNC /- UNF /- UNC /- UNF /- UNC /- UNF 9/- UNC 9/- UNF /- UNC /- UNF /- UNC /- UNF /-9 UNC /- UNF "- UNC "- UNF... 9. 9. 9. 9............. M. x. M x. M. x. M x. M. x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x. M x........... 9..................... -9- --9-9-9
Special Thread Measuring Wires +/- millionths ABOVE - INCLUDING SET OF. -.".mm -.mm. - ".mm -.mm Threads (n) THREADS PER INCH 9 9 -/ 9 -/ -/ -/ -/ -/ -/ 9 (G) NOMINAL (C) BEST NOMINAL WIRE DIAMETER CONSTANT."......9........9.............9....9..9.9....9..9.99.. "..9.9.......9.....9....9..........9.......9.....9. SET OF THREE............................................ -.".mm -.mm. -.".mm -.9mm. -.".9mm -.mm. -.".mm - 9.9mm Metric Threads PITCH mm.............9............... 9.. NOMINAL BEST WIRE NOMINAL SET DIAMETER CONSTANT OF mm mm THREE..99....9.9.....9.9.........9.9......9...99..9...9..9..9.9.9...99....9...9...9..9.9............................... CERTIFICATE OF ACCURAC INCLUDED WITH EACH SET. -." 9.9mm -.9mm CALL FOR S Measured Pitch Diameter (PD) = Measurement over Wires (M) Constant (C). -.".9mm -.9mm. -.".9mm - 9.mm. -." 9.mm -.mm 9 Acme Best Threads THREADS PER INCH (n) DIAMETER BEST SIE WIRE SET OF THREE -/ -/ -/ -/ -/ -/ -/ 9. "...9.....9..9.99.......9..9........ 9. 9. 9. 9. 9. 9. 9. 9. 9. 9. 9. 9. 9. 9. 9.
Trilock Style Reversible Style SIE ABOVE INCLUDING. to..mm to.9mm. to..9mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.9mm. to..9mm to.mm. to..mm to 9.mm. to. 9.mm to.9mm. to..9mm to.mm CLASS TOL....................................9. OR NO LENGTH " " " " " " " " " Direction of Tolerances Unilateral (Plus) NO U nilateral (Minus) Chrome and Carbide also available CALL SWANSON FOR PRICING HANDLE # W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W SIE ABOVE INCLUDING. to.9 9.mm to.mm.9 to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to 9.mm. to. 9.mm to.mm. to..mm to.mm. to..mm to.mm CLASS TOL....9....9....9....................9.... NO HANDLE # LENGTH LENGTH -/" /" -/" /" -/" /" -/" /" " /" " " -/" " -/" " -/" " -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ -/ How to Order Pl ease specify:. Quantity desired.. Exact diameter(s).. Tolerance.. or NO.. Handles (Single or Double End).. Marking.
SIE ABOVE - INCLUDING CLASS TOL............................9....9..9 to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to 9.mm. to. 9.mm to.9mm. to..9mm to.9mm. to..9mm to.mm. to..mm to.mm NO HANDLE # LENGTH LENGTH /" /" /" /" /" 9/" /" /" " /" -/" /" -/" /" -/" /" How to Order Direction of Tolerances Unilateral (Plus) NO U nilateral (Minus) Chrome and Carbide also available CALL SWANSON FOR PRICING Pl ease specify:. Quantity desired.. Exact diameter(s).. Tolerance.. or NO.. Handles (Single or Double End).. Marking. -9- --9-9-9
Taperlock Style SIE ABOVE - INCLUDING CLASS. to..mm to.mm. to..mm to.mm. to..mm to 9.mm. to. 9.mm to.9mm. to..9mm to.9mm. to..9mm to.mm. to..mm to.mm TOL........................9....9. MEMBER NO HANDLE # LENGTH PORTION PORTION /" /" /" /" /" 9/" -/" /" /" -/" " /" -/" -/" /" -/" -/" /" -/" -/" /" The Progressive Style is a Single End Gage having and NO members combined to make complete inspection of a hole possible with one insertion. Direction of Tolerances Unilateral (Plus) NO U nilateral (Minus) How to Order Trilock Style SIE ABOVE - INCLUDING CLASS. to..mm to.mm. to..mm to.mm. to..mm to 9.mm. to. 9.mm to.mm TOL................. MEMBER NO HANDLE # LENGTH PORTION PORTION -/" -/" /" " " /" " " /" -/" -/" /" -/ -/ -/ -/ Chrome and Carbide also available CALL SWANSON FOR PRICING Pl ease specify:. Quantity desired.. Exact diameter(s).. Tolerance.. Handles.. Marking. -9- --9-9-9
Solid Type Flanged Type Sizes." -." (.mm-.mm) SIE ABOVE INCLUDING. to..mm to.mm. to..mm to.mm. to..mm to 9.mm. to. 9.mm to.9mm. to..9mm to.9mm. to..9mm to.mm. to..mm to.mm CLASS TOL........................9....9. O.D. /" /". to..mm to.mm /" /". to..mm to.mm 9/" -/". to..mm to.mm /" -/". to..mm to 9. /" -/". to. 9.mm to.mm -/" -/". to..mm to.9mm -/" -/". to..9mm to 9.9mm Direction of Tolerances How to Order MASTER Bilateral (Split) U nilateral (Minus) NO Unilateral (Plus) Pl ease specify:. Quantity desired.. Exact diameter(s).. Tolerance.. G O or NO or MASTER.. Marking. CALL SWANSON FOR PRICING SIE ABOVE INCLUDING WIDTH Plain Cylindrical Ring Gages conform to established AGD specifications. and NO Rings are made from blanks of the same dimension. An annular groove in the periphery of the NO ring distinguishes it from the Ring. Chrome and Carbide also available Sizes Above." (.mm). to. 9.9mm to 9.mm. to. 9.mm to.mm. to..mm to 9.mm. to. 9.mm to.mm CLASS TOL............................9....9.......... WIDTH O.D. -/" " -/" -/" -/" " -/" -/" -/" -/" -/" -/" -/" -/" -/" 9-/" -/" -/" -/" -/" -/" -/"
Style # SIE ABOVE INCLUDING. to..mm to.mm Style #. to..mm to.mm. to..mm to 9.mm Style #. to. 9.mm to.9mm. to..9mm to.9mm Master Setting Discs are used for setting comparators, snap gages and other precision gages and are furnished with insulating grips to prevent heat distortion. Direction of Tolerances Unless otherwise specified, the gagemaker's tolerance will be applied bilaterally (split / plus / minus) on Styles # and #. On Style # tolerances will be unilateral, minus on the "" section and plus on the "NO " section. How to Order Pl ease specify:. Quantity desired.. Exact diameter(s).*. Style.. Tolerance and direction.. Marking. * Two diameters on Style #. to..9mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.mm. to..mm to.mm Chrome and Carbide also available CLASS TOL........................9....9....................9.... STLE LENGTH STLE LENGTH STLE LENGTH /" /" /" /" /" /" " " /" -/" -/" 9/" -/" -/" /" -/" -/" /" -/" -/" /" -/" -/" /" " " /" -/" -/" " -/" -/" " -/" -/" " -/" -/" " CALL SWANSON FOR PRICING -9- --9-9-9
Table I Classes B, B Nominal Size Basic All Classes All Series UNIFIED PITCH DIAMETERS CL. B CL. B Tol. = + = - Lead Tol. + Half Angle Tol. #- UNF.9.... ' #- UNC.9.... ' #- UNF...9.. ' #- UNC..... ' #- UNF.9..9.. ' #- UNC..... ' #- UNF..9.9.. ' #- UNC.9.99.9.. ' #- UNF.9.... ' #- UNC..... ' #- UNF..... ' #- UNC... ' #- UNF..... ' Nominal Size 9/ - UNEF Basic All Classes All Series UNIFIED PITCH DIAMETERS CL. B CL. B Tol. = + = - + Half Angle Tol....9 ' / - UNF... '.9.99.9 ' / - UNEF.99.. '... '..9.9 ' / - UNC / - UNEF / - UNC / - UNF / - UNEF.9.9. '... ' / -9 UNC... '...9 ' ' / - UNEF / - UNF / - UNEF / - UNEF...9... '.9.99.99 ' #- UNC... ' "- UNC.9.9.9.. ' #- UNF..9... ' "- UNF.99.9.9 ' #- UNC.9.. ' "- UNS.9.99.99 ' #- UNF.9.. ' "- UNEF.9.9.99 ' #- UNC.9.9.9 ' / - UN...9 ' #- UNF.9.9.99 ' / - UNEF... ' / - UNC #- UNEF.9.99.9 '...9.. ' /- UNC... ' / - UNF.9.. '... ' / - UNEF.9.9.9 ' /- UNF /- UNEF.9.9. '..9.9 ' / - UNC / - UN... '.. ' / - UNF / - UNEF...9.9 ' / - UNC..... '.99.9.9 ' / - UNEF.9.. '..9. ' / -UNEF / - UNC / - UNF.9.9.9 '... '.9.. ' / - UN / - UNEF / - UNF / - UNEF..9. ' / - UNC.9.9.9 '...9 ' / - UNEF..9. '... ' / - UNF / - UNEF... '... ' / - UNC / - UNF / - UNF / - UNC 9/ - UNC... ' 9/ - UNF... '... ' / - UNC..... '.9.9. ' / - UNEF.9.. ' / - UN / - UNF..9.9 ' / - UNEF..9. '.9..99.. ' / - UNEF.9.. '.9.. ' Lead Tol. -9- --9-9-9
Table II Classes A, A Nominal Size UNIFIED PITCH DIAMETERS Class A Class A Tol. = = + Nominal Size 9/ - UNEF #- UNF..9.9.. #- UNC...9.. #- UNF..... #- UNC..... #- UNF...9.. #- UNC..... #- UNF..... #- UNC.9.9.9.99. #- UNF.9.9.9.9. #- UNC....9. #- UNF.9.... UNIFIED PITCH DIAMETERS Class A Class A Tol. = = + / - UNC......9..9 / - UNEF...9. / - UNEF.9.9.99.99.9... / - UNF / - UNEF.....9.9.9..... / - 9 UNC.....9.9..9.... / - UNF / - UNC / - UNEF / - UNF / - UNEF #- UNC.9......9....9. / - UNEF. #- UNF.9.99.9.9 #- UNC..99.. "- UNC.9.9.9.9. #- UNF....9. "- UNF.9.9.99.9 #- UNC.9..9. "- UNS.99.9.9.99 #- UNF...9. "- UNEF.9.9.9.9 / - UN #- UNC.9..9. #- UNF.9..9.9 #- UNEF.9.9.9.9 /- UNC.... / - UNEF.... / - UNC......9..9....9. / - UN..9..9 / - UNEF.99.... / - UNF.... / - UNEF...9. / - UNC....... / - UNF.... / - UNC......9..9.9 / - UNF.9.9.99.9.......9. / - UNF / - UNEF...9. / - UN..9......... / - UNC / - UNEF.9.9..9. / - UNC..... / - UNF.9..9....9.....9 /- UNF /- UNEF / - UNEF / - UNC / - UNF..99..9 / - UNEF..9...... / - UNC / - UNEF / - UNEF / - UN / - UNF / - UNEF..9...999.99..9.....9..9.. 9/ - UNC / - UNC.......9. 9/ - UNF / - UNF.......9. / -UNEF / - UNEF -9- --9-9-9
Table III Classes B, B PITCH DIAMETERS Nominal Size B NO Tol. = + = - B NO #- UNC...99. #- UNF..9.. #- UNC.... #- UNC... #- UNF..9.. #- UNC... #- UNF..9.. #- UNC...9 #- UNF... #- UNC... /- UNC... /- UNF... /- UNC..9. /- UNF.9.. /- UNC...9 /- UNF..9. /- UNC.9.9. /- UNF... /- UNC.99.. /- UNF... 9/- UNC... 9/- UNF.9.. /- UNC..9. /- UNF... /- UNC.9..9 /- UNF.9.9.9-9- --9-9-9
Table IV (Internal) Thread Plug Gages Table V (External) Thread Ring & Setting Plug Gages PITCH DIAMETERS SIE mm M. M. M M. M. M M. M M. M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M9 M9 PITCH mm (Basic) H H.............................9.......... 9. 9.......... 9..................9.9.......... 9. 9..9........ 9........9..9..9..9............... 9. 9....9..9.... 9.....9..9..9..9.... PITCH DIAMETERS SIE mm M. M. M M. M. M M. M M. M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M9 M9 PITCH mm......................... g & g.......9..99......99 9..9...99..99..99..99..99............ g...9......9.9.....99 9.....9..9..9..9..9............ g.9.9.......9...... 9..9.............9..9..9..9.... Note: To obtain inch values for pitch diameters multiply by.9. -9- --9-9-9
Table VI PITCH DIAMETERS FOR STRAIGHT PIPE GAGES THREAD PLUG GAGES PIPE SIE /- /- /- /- /- /- "- / /- / /- / "- / MEMBER NPSF NPSI...9...9.....9.9...9.....9..9..9.99.. NPSM National Pipe Straight Mechanical These external and internal threads are intended for free-fitting mechanical joints where there are no internal pressures. The product is gaged with straight and plug and ring gages. NPSL National Pipe Straight Locknut These external and internal threads are intended to produce a thread having the largest diameter that is possible to cut on standard pipe. The product is gaged with straight and plug and ring gages. NH National Fire-Hose Coupling Threads These external and internal threads are intended for fire hose, garden hose, chemical engine and booster hose. The product is gaged with straight and plug and ring gages. NPSH National Hose Coupling Threads These external and internal threads are intended for steam, air, water, and all other hose connections to be made up with standard pipe threads. The product is gaged with straight and plug and ring gages. NPSL NPSC..9....9....9..9...9.......9.....9.99....9.... THREAD RING GAGES NPSM-B...9.9..9...99.99....9...9. NPSM-A NPSL..9.9.9...9..9.9.9......9.....9.9..9.9......9....99 NPSC National Pipe Straight Coupling These internal threads are intended to form low pressure tight joints when assembled with NPT external threads by using a sealer. The product may be gaged with a NPT plug gage or with straight and plug gages. NPSF Dryseal American Standard Fuel These internal threads are intended for use in soft or ductile materials for assembly with NPTF external threads without using a sealer. The product may be gaged with NPTF-LI basic notch plug gage or with straight and plug gages. NPSI Dryseal American Standard Intermediate These internal threads are intended for use in hard or brittle materials for assembly with PTF-SAE short external threads but may also be assembled with full length NPTF external threads. The product may be gaged with a NPTF-LI basic notch plug gage or with straight and plug gages. NOTE: NPSM and NPSF Series Gages are available from stock. 9-9- --9-9-9
DESIGNATIONS THREAD SERIES UN UNC UNF UNEF UNS N, NC, NF, NEF, NS UNJ, UNJC, UNJF, UNJEF, UNJS UNR, UNRC, UNRF, UNREF, UNRS ACME-G, ACME-C AMO NC, NCHF, NCCSF, NCONF, NCIF, NCINF M MJ UNM ANPT NPT NPTF PTF-SAE SHORT F-PTF NPSL NPSM NPSC NPSF NPSI NPSH NH NHR NGT, SGT N NGS Unified National, Constant Pitch,, Inch Unified National Coarse,, Inch Unified National Fine,, Inch Unified National Extra Fine,, Inch Unified National Special,, Inch American National,, Inch, Constant Pitch, Coarse, Fine, Extra Fine & Special Unified National, Inch, Constant Pitch, Coarse, Fine, Extra Fine & Special, with.p Controlled Root Radius on External Thread Unified National, Inch, Constant Pitch, Coarse, Fine, Extra Fine & Special, with.p Controlled Root Radius on External Thread Acme, General Purpose and Centralizing, 9 American Microscopic Objective,, Inch American National Coarse Interference Fit,, Inch, HF Hard Ferrous, CSF Copper or Soft Ferrous, ONF Other Nonferrous, IF Entire Ferrous, INF Entire Nonferrous Metric, Metric, with.p to.p Controlled Root Radius on External Thread Unified National Miniature, Metric Aeronautical National Pipe Taper, Taper, Inch National (American) Pipe Taper, Taper, Inch National (American) Pipe Taper Fuel, Dryseal, Taper, Inch National (American) Pipe Taper Fuel Short, Dryseal, Taper, Inch National (American) Pipe Taper Fuel Short Fine, Dryseal, Taper, Inch National (American) Pipe Straight Locknut, Taper, Inch National (American) Pipe Straight Mechanical, Taper, Inch National (American) Pipe Straight Coupling, Taper, Inch National (American) Pipe Straight Fuel, Taper, Inch National (American) Pipe Straight Intermediate, Taper, Inch National (American) Pipe Straight Hose, Taper, Inch, for Hose Couplings National (American) Pipe Straight Hose, Taper, Inch, for Fire Hose Couplings National (American) Pipe Straight Hose, Taper, Inch, for Garden Hose Applications National Gas Taper & Special Gas Taper, Taper, Inch National Gas Outlet, Straight, Inch National Gas Straight, Straight, Inch National (American) Pipe Taper Fuel Short, Special Diameter Pitch Combination Dryseal, Taper, Inch Stub Acme, 9 Inch, reduced thread height of standard Acme Buttress, "PULL" type clearance flank leading / load flank, Inch Buttress, "PUSH" type load flank leading / clearance flank, Inch Helical Coil Screw Thread Insert, Inch and Metric British Standard Pipe For Pressure Tight Joints, - Rc (internal taper), Rp (Internal straight) and R (External taper) Whitworth Form, Inch British Standard Pipe For Non-Pressure Tight Joints, - - G (Internal and external straight) Whitworth Form, Inch British Association,. British Association Standard Fine Pitch, Whitworth Form, Inch British Association Standard Whitworth Coarse Pitch, Whitworth Form, Inch American Water Works Association, for Underground Service Line Fittings, Taper and Straight, Inch Deutsches Institut für Normung, German Institute for Standardization Japanese Industrial Standard International Standards Organization SPL-PTF STUB ACME BUTT PUSH-BUTT STI R (BSPT), Rc (BSPT), Rp G (BSPP) BA BSF BSW AWWA DIN JIS ISO
G Custer St., West Hartford, CT For rapid deliveries and competitive prices, contact us by: Toll-free phone () -9 -hour fax () 9-9 email sales@swansongage.com website Swanson Tool Manufacturing, Inc. M