
Thread Plug Gages
BASIC THREAD DESIGNATION | DIMENSIONS IN MILLIMETERS | DIMENSIONS IN INCHES | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NOMINAL O.D. | PITCH | MAJOR DIA. | PITCH DIA. | MINOR DIA. | NOMINAL O.D. | THREADS PER INCH | MAJOR DIA. | PITCH DIA. | MINOR DIA. | |||||
MIN. (MUST CLEAR) | MIN. GO | MAX. HI | MIN. | MAX. | MIN. (MUST CLEAR) | MIN. GO | MAX. HI | MIN. | MAX. | |||||
M1.6x0.35 | 1.6 | 0.35 | 1.600 | 1.373 | 1.458 | 1.221 | 1.321 | .06299 | 72.57 | .06299 | .05406 | .05740 | .04807 | .05201 |
M2x0.4 | 2.0 | 0.40 | 2.000 | 1.740 | 1.830 | 1.567 | 1.679 | .07874 | 63.50 | .07874 | .06850 | .07205 | .06169 | .06610 |
M2.5x0.45 | 2.5 | 0.45 | 2.500 | 2.208 | 2.303 | 2.013 | 2.138 | .09843 | 56.44 | .09843 | .08693 | .09067 | .07925 | .08417 |
M3x0.5 | 3.0 | 0.50 | 3.000 | 2.675 | 2.775 | 2.459 | 2.599 | .11811 | 50.80 | .11811 | .10531 | .10925 | .09681 | .10232 |
M3.5x0.6 | 3.5 | 0.60 | 3.500 | 3.110 | 3.222 | 2.850 | 3.010 | .13780 | 42.33 | .13780 | .12244 | .12685 | .11220 | .11850 |
M4x0.7 | 4.0 | 0.70 | 4.000 | 3.545 | 3.663 | 3.242 | 3.422 | .15748 | 36.29 | .15748 | .13957 | .14421 | .12764 | .13472 |
M5x0.8 | 5.0 | 0.80 | 5.000 | 4.480 | 4.605 | 4.134 | 4.334 | .19685 | 31.75 | .19685 | .17638 | .18130 | .16276 | .17063 |
M6x1 | 6.0 | 1.00 | 6.000 | 5.350 | 5.500 | 4.917 | 5.153 | .23622 | 25.40 | .23622 | .21063 | .21654 | .19358 | .20287 |
M8x1.25 | 8.0 | 1.25 | 8.000 | 7.188 | 7.348 | 6.647 | 6.912 | .31496 | 20.32 | .31496 | .28299 | .28929 | .26169 | .27213 |
M8x1 | 8.0 | 1.00 | 8.000 | 7.350 | 7.500 | 6.917 | 7.153 | .31496 | 25.40 | .31496 | .28937 | .29528 | .27232 | .28161 |
M10x1.5 | 10.0 | 1.50 | 10.000 | 9.026 | 9.206 | 8.376 | 8.676 | .39370 | 16.93 | .39370 | .35535 | .36244 | .32976 | .34157 |
M10x1.25 | 10.0 | 1.25 | 10.000 | 9.188 | 9.348 | 8.647 | 8.912 | .39370 | 20.32 | .39370 | .36173 | .36803 | .34043 | .35087 |
M10x0.75 | 10.0 | 0.75 | 10.000 | 9.513 | 9.645 | 9.188 | 9.378 | .39370 | 33.87 | .39370 | .37453 | .37972 | .36173 | .36921 |
M12x1.75 | 12.0 | 1.75 | 12.000 | 10.863 | 11.063 | 10.106 | 10.441 | .47244 | 14.51 | .47244 | .42768 | .43555 | .39787 | .41106 |
M12x1.5 | 12.0 | 1.50 | 12.000 | 11.026 | 11.216 | 10.376 | 10.676 | .47244 | 16.93 | .47244 | .43409 | .44157 | .40850 | .42031 |
M12x1.25 | 12.0 | 1.25 | 12.000 | 11.188 | 11.368 | 10.647 | 10.912 | .47244 | 20.32 | .47244 | .44047 | .44756 | .41917 | .42961 |
M12x1 | 12.0 | 1.00 | 12.000 | 11.350 | 11.510 | 10.917 | 11.153 | .47244 | 25.40 | .47244 | .44685 | .45315 | .42980 | .43909 |
M14x2 | 14.0 | 2.00 | 14.000 | 12.701 | 12.913 | 11.835 | 12.210 | .55118 | 12.70 | .55118 | .50004 | .50839 | .46594 | .48071 |
M14x1.5 | 14.0 | 1.50 | 14.000 | 13.026 | 13.216 | 12.376 | 12.676 | .55118 | 16.93 | .55118 | .51283 | .52031 | .48724 | .49906 |
M15x1 | 15.0 | 1.00 | 15.000 | 14.350 | 14.510 | 13.917 | 14.153 | .59055 | 25.40 | .59055 | .56496 | .57126 | .54791 | .55720 |
M16x2 | 16.0 | 2.00 | 16.000 | 14.701 | 14.913 | 13.835 | 14.210 | .62992 | 12.70 | .62992 | .57878 | .58713 | .54469 | .55945 |
M16x1.5 | 16.0 | 1.50 | 16.000 | 15.026 | 15.216 | 14.376 | 14.676 | .62992 | 16.93 | .62992 | .59157 | .59906 | .56598 | .57780 |
M17x1 | 17.0 | 1.00 | 17.000 | 16.350 | 16.510 | 15.917 | 16.153 | .66929 | 25.40 | .66929 | .64370 | .65000 | .61886 | .63594 |
M18x1.5 | 18.0 | 1.50 | 18.000 | 17.026 | 17.216 | 16.376 | 16.676 | .70866 | 16.93 | .70866 | .67031 | .67780 | .64472 | .65654 |
M20x2.5 | 20.0 | 2.50 | 20.000 | 18.376 | 18.600 | 17.294 | 17.744 | .78740 | 10.16 | .78740 | .72346 | .73228 | .68087 | .69858 |
M20x1.5 | 20.0 | 1.50 | 20.000 | 19.026 | 19.216 | 18.376 | 18.676 | .78740 | 16.93 | .78740 | .74906 | .75654 | .72346 | .73528 |
M20x1 | 20.0 | 1.00 | 20.000 | 19.350 | 19.510 | 18.917 | 19.153 | .78740 | 25.40 | .78740 | .76181 | .76811 | .74476 | .75406 |
M22x2.5 | 22.0 | 2.50 | 22.000 | 20.376 | 20.600 | 19.294 | 19.744 | .86614 | 10.16 | .86614 | .80220 | .81102 | .75961 | .77732 |
M22x1.5 | 22.0 | 1.50 | 22.000 | 21.026 | 21.216 | 20.376 | 20.676 | .86614 | 16.93 | .86614 | .82780 | .83528 | .80220 | .81402 |
M24x3 | 24.0 | 3.00 | 24.000 | 22.051 | 22.316 | 20.752 | 21.252 | .94488 | 8.47 | .94488 | .86815 | .87858 | .81701 | .83669 |
M24x2 | 24.0 | 2.00 | 24.000 | 22.701 | 22.925 | 21.835 | 22.210 | .94488 | 12.70 | .94488 | .89374 | .90256 | .85965 | .87441 |
M25x1.5 | 25.0 | 1.50 | 25.000 | 24.026 | 24.226 | 23.376 | 23.676 | .98425 | 16.93 | .98425 | .94591 | .95378 | .92031 | .93213 |
M27x3 | 27.0 | 3.00 | 27.000 | 25.051 | 25.316 | 23.752 | 24.252 | 1.06299 | 8.47 | 1.06299 | .98626 | .99669 | .93512 | .95480 |
M27x2 | 27.0 | 2.00 | 27.000 | 25.701 | 25.925 | 24.835 | 25.210 | 1.06299 | 12.70 | 1.06299 | 1.01185 | 1.02067 | .97776 | .99252 |
M30x3.5 | 30.0 | 3.50 | 30.000 | 27.727 | 28.007 | 26.211 | 26.771 | 1.18110 | 7.26 | 1.18110 | 1.09161 | 1.10264 | 1.03193 | 1.05398 |
M30x2 | 30.0 | 2.00 | 30.000 | 28.701 | 28.925 | 27.835 | 28.210 | 1.18110 | 12.70 | 1.18110 | 1.12996 | 1.13878 | 1.09587 | 1.11063 |
M30x1.5 | 30.0 | 1.50 | 30.000 | 29.026 | 29.226 | 28.376 | 28.676 | 1.18110 | 16.93 | 1.18110 | 1.14276 | 1.15063 | 1.11717 | 1.12898 |
M33x2 | 33.0 | 2.00 | 33.000 | 31.701 | 31.925 | 30.835 | 31.210 | 1.29921 | 12.70 | 1.29921 | 1.24807 | 1.25689 | 1.21398 | 1.22874 |
M35x1.5 | 35.0 | 1.50 | 35.000 | 34.026 | 34.226 | 33.376 | 33.676 | 1.37795 | 16.93 | 1.37795 | 1.33961 | 1.34748 | 1.31402 | 1.32559 |
M36x4 | 36.0 | 4.00 | 36.000 | 33.402 | 33.702 | 31.670 | 32.270 | 1.41732 | 6.35 | 1.41732 | 1.31504 | 1.32685 | 1.24685 | 1.27047 |
M36x2 | 36.0 | 2.00 | 36.000 | 34.701 | 34.925 | 33.835 | 34.210 | 1.41732 | 12.70 | 1.41732 | 1.36618 | 1.37500 | 1.33209 | 1.34685 |
M39x2 | 39.0 | 2.00 | 39.000 | 37.701 | 37.925 | 36.835 | 37.210 | 1.53543 | 12.70 | 1.53543 | 1.48429 | 1.49311 | 1.45020 | 1.46496 |