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< Reversible Thread Plug Gages (Standard)
< Taperlock Thread Plug Gages
< Helical Coil Gages
< Metric Thread Gages
< Pipe Thread Gages
< Thread Ring Gages
< Truncated Thread Setting Plug Gages
  Reference Sheets  
< Thread Gage Tolerances- Class Y
< Thread Gage Tolerances- Class W
< Thread Gage Tolerances- Class X
< Metric Thread Gages- Thread Rings & Setting Plugs
< Metric Thread Gages- Thread Work Plugs
< American National Taper Pipe Thread Gages- NPT
< Pipe Thread Gages
< Unified Thread Gages- Thread Rings & Settings
< Unified Thread Gages- Thread Work Plugs Pitch & Diameter
< Gage Pipe Plugs- Internal & External
Metric Thread Gages
Pitch Diameter Chart
Thread Work Plugs

 

 
METRIC DECIMAL REF. ONLY   METRIC DECIMAL REF. ONLY
NOMINAL SIZE Go 6H NoGo 6H Go 6H NoGo 6H NOMINAL SIZE Go 6H NoGo 6H Go 6H NoGo 6H
1.6x.35 1.373 1.458 .05406 .05740 17x1.5 16.026 16.216 .63094 .63842
1.8x.35 1.573 1.658 .06193 .06528 18x2.5 16.376 16.600 .64472 .65354
2x.4 1.740 1.830 .06850 .07205 18x1.5 17.026 17.216 .67031 .67779
2.2x.45 1.908 2.003 .07512 .07886 20x1.0 19.350 19.510 .76181 .7681
2.5x.45 2.208 2.303 .08693 .09067 20x2.5 18.376 18.600 .72346 .73228
3x.5 2.675 2.775 .10531 .10925 20x1.5 19.026 19.216 .74905 .75653
3.5x.6 3.110 3.222 .12244 .12685 22x2.5 20.376 20.600 .80220 .81102
4x.7 3.545 3.663 .13957 .14421 22x1.5 21.026 21.216 .82779 .83527
4.5x.75 4.013 4.131 .15799 .16264 24x3.0 22.051 22.316 .86815 .87858
5x.8 4.480 4.6505 .17638 .18130 24x2.0 22.701 22.925 .89374 .90256
5.5x.75 5.013 5.131 .19736 .20201 25x2.0 23.701 23.925 .93311 .94193
6x1.0 5.350 5.500 .21063 .21654 25x1.5 24.026 24.226 .94590 .95378
6.3x1.0 5.650 5.800 .22244 .22835 26x1.5 25.026 25.226 .98527 .99315
7x1.0 6.350 6.500 .25000 .25591 26x1.0 25.350 25.520 .99803 1.00472
8x1.25 7.188 7.348 .28299 .28929 27x3.0 25.051 25.316 .98626 .99669
8x1.0 7.350 7.500 .28937 .29528 27x2.0 25.701 25.925 1.01185 1.02067
9x1.25 8.188 8.348 .32236 .32866 28x2.0 26.701 26.925 1.05122 1.06004
10x.75 9.513 9.645 .37453 .37972 28x1.5 27.026 27.226 1.06401 1.07189
10x1.5 9.026 9.206 .35535 .36244 28x1.0 27.350 27.520 1.07677 1.08346
10x1.25 9.188 9.348 .36173 .36803 30x1.5 29.026 29.226 1.14276 1.15063
11x1.5 10.026 10.206 029472 .40181 30x3.5 27.727 28.007 1.09161 1.10264
12x1.0 11.350 11.510 .44685 .45315 30x2.0 28.701 28.925 1.2996 1.13878
12x1.50 11.026 11.216 .43409 .44157 32x2.0 30.701 30.925 1.20870 1.21752
12x1.75 10.863 11.063 .42768 .43555 32x1.5 31.026 31.226 1.22149 1.22937
12x1.25 11.188 11.368 .44047 .44756 33x3.5 30.727 31.007 1.20972 1.22075
14x2.0 12.701 12.913 .50004 .50838 33x2.0 31.701 31.925 1.24807 1.25689
14x1.5 13.026 13.216 .51283 .52031 35x1.5 34.026 34.226 1.33960 1.34748
15x1.5 14.026 14.216 .55220 .55968 36x2.0 34.701 34.925 1.36618 1.37500
15x1.0 14.350 14.510 .56496 .57126 36x4.0 33.402 33.702 1.31504 1.32685
16x2.0 14.701 14.913 .57878 .58712 36x3.0 34.051 34.316 1.34059 1.35102
16x1.5 15.026 15.216 .59157 .59905 38x1.5 37.026 37.226 1.45771 1.46559
17x1.0 16.350 16.510 .64370 .65000 39x2.0 37.701 37.925 1.48429 1.49311

 

 

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