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Thread Work Plugs - Metric

Alpha Thread Gage, Inc.

Mailing address:

  PO Box 261
 

 Royal Oak, MI  

  48068-0261

E-MAIL: alphathread@aol.com

Leading the pack in the thread gage industry.

 

PHONE (248) 585-5800 FAX (248) 583-9800

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REFERENCE SHEET

Reference Sheets Available Thread Gage Tolerances- Class Y Tolerances ] Thread Gage Tolerances- Class W Tolerances ] Thread Gage Tolerances- Class X Tolerances ] 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 Work Plugs- Pitch Diameter Chart ] Unified Thread Gages- Thread Ring and Setting Plugs ] Gage Pipe Plugs- Internal and 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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