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Inch thread sizes are specified by the nominal major diameter and the number of threads per inch. For example, a 1/4-20 (UNC coarse) thread has a 1/4" nominal major diameter and 20 threads
Use the 120° cone and vee or multi-rib roll contacts for a tri-lobe (odd lobe) out-of-round. When using the Functional diameter gage (multi-rib or segment) rotate the part to observe the largest indicated value for O.D. and the smallest value for I.D. threads.
• usa thread -- national pipe tapered thread -- npt • METRIC THREAD [coarse & fine] -- Extended Thread Size Range (online only) • Tapping drill sizes for taps in a multilingual format for thread types: M, MF, EG M, EG MF, G, Rp,
Standard Pitch Diameter Chart 17 PRECISION GAGES FOR QUALITY ASSURANCE Ring Thread Gages and Setting Plugs NOMINAL SIZE X TOL. GO = – NO GO = + UNIFIED PITCH DIAMETER GO NOT GO GO NOT GO CLASS 2A CLASS 3A 9/ 16 - 24 UNEF .5342 .5303 .5354 .5325 .0003 5/ 8 - 11 UNC .5644 .5589 .5660 .5619 .0003 5/ 8 - 18 UNF .5875 .5828 .5889 .5854 .0003 5/
Standard Pitch Diameter Chart Plug Thread Gages NOMINAL SIZE GO BASIC ALL CLASSES ALL SERIES UNIFIED PITCH DIAMETERS NOT GO X TOL. GO =+ NO GO =– X LEAD TOL. X ± HALF ANGLE TOL. CL.ASS 2B CLASS 3B #0-80 UNF.0519 .0542 .0536 .0002 .0002 0°30' #1-64 UNC.0629 .0655 .0648 .0002 .0002 0°30' #1-72 UNF.0640 .0665 .0659 .0002 .0002 0°30'
metric thread gages ansi / asme b1.13m, metric screw threads–m profile standard pitch diameter chart nominal size & pitch for external thread for internal thread pitch diameter go ring gage 6g tolerance pitch diameter not go ring gage 6g tolerance pitch diameter go plug gage 6h tolerance pitch diameter not go plug gage 6h tolerance mm in.
Metric Thread 10 12 14 16 18 20 22 24 26 27 30 33 36 42 48 M 10x1.0 M 12x1.5 M 14x1.5 M 16x1.5 M 18x1.5 M 20x1.5 M 22x1.5 M 24x1.5 M 26x1.5 M 27x2.0 M 30x2.0 M 33x2.0 M 36x2.0 M 42x2.0 M 48x2.0 15/16 - 12 THREAD CHARTS • JIC – SAE • Metric/International VISIT US AT BRENNANINC.COM
gage a ssembly manufacturers of precision gages standard pitch diameter chart /lspjhs *vps 7s\n .hnlz nominal :0a, go pitch diameters x tol. go =+
THREAD CHART. FOR ALL U.S. 60° THREADS. Select the proper wire size for either the number or threads per inch (US) or thread pitch (metric). Measured pitch dia (E) equals measurement over wires (M) minus decimal in “CONST” column.
Thread Identification Chart for US and Metric Thread Systems UNC - Unified National Course UNF - Unified National Fine UNEF - Unified National Extra Fine ... Thread Per Inch (TPI) Nominal Diameter mm Standards Pitch in mm UNC UNF UNEF UNM Coarse Fine M Taper.0118 0.30 0.30 318 X 0.075