Metric Screw Threads M Profile Machinery's Handbook, 31st Edition
2029
Table 13. External Metric Thread—M Profile Limiting Dimensions ANSI/ASME B1.13M-2005 (R2015)
Minor Dia. b d 1 Max.
Minor Dia. d d 3 Min. 1.075 1.094 1.098 1.408 1.427 1.433 1.840 1.860 1.866 2.272 2.292 2.299 2.634 2.655 2.666 3.002 3.024 3.036 3.868 3.892 3.903 4.596 4.622 4.637 6.272 6.300 6.315 6.596 6.622 6.637 7.938 7.970 7.985 8.272 8.300 8.315 8.596 8.622 8.637 8.929 8.951 8.966 9.601 9.635 9.656 9.930 9.962 9.980
Major Diameter b d
Pitch Diameter b , c d 2
Basic Thread Designation M1.6 × 0.35 M1.6 × 0.35 M1.6 × 0.35 M2 × 0.4 M2 × 0.4 M2 × 0.4 M2.5 × 0.45 M2.5 × 0.45 M2.5 × 0.45 M3 × 0.5 M3 × 0.5 M3 × 0.5 M3.5 × 0.6 M3.5 × 0.6 M3.5 × 0.6
Tol. Class
Allowance a es
Max. 1.581 1.600 1.581 1.981 2.000 1.981 2.480 2.500 2.480 2.980 3.000 2.980 3.479 3.500 3.479 3.978 4.000 3.978 4.976 5.000 4.976 5.974 6.000 5.974 7.972 8.000 7.972 7.974 8.000 7.974 9.968
Min. 1.496 1.515 1.496 1.886 1.905 1.886 2.380 2.400 2.380 2.874 2.894 2.874 3.354 3.375 3.354 3.838 3.860 3.838 4.826 4.850 4.826 5.794 5.820 5.794 7.760 7.788 7.760 7.794 7.820 7.794 9.732 9.764 9.732 9.760 9.788 9.760 9.794 9.820 9.794 9.838 9.860 9.838
Max. 1.354 1.373 1.354 1.721 1.740 1.721 2.188 2.208 2.188 2.655 2.675 2.655 3.089 3.110 3.089 3.523 3.545 3.523 4.456 4.480 4.456 5.324 5.350 5.324 7.160 7.188 7.160 7.324 7.350 7.324 8.994 9.026 8.994 9.160 9.188 9.160 9.324 9.350 9.324 9.491 9.513 9.491
Min.
Tol.
6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h
0.019 0.000 0.019 0.019 0.000 0.019 0.020 0.000 0.020 0.020 0.000 0.020 0.021 0.000 0.021 0.022 0.000 0.022 0.024 0.000 0.024 0.026 0.000 0.026 0.028 0.000 0.028 0.026 0.000 0.026 0.032 0.000 0.032 0.028 0.000 0.028 0.026 0.000 0.026 0.022 0.000 0.022 0.034 0.000 0.034 0.032 0.000 0.032 0.028 0.000 0.028 0.026 0.000 0.026 0.038 0.000 0.038 0.032 0.000 0.032 0.026 0.000 0.026
1.291 0.063 1.202 1.310 0.063 1.221 1.314 0.040 1.202 1.654 0.067 1.548 1.673 0.067 1.567 1.679 0.042 1.548 2.117 0.071 1.993 2.137 0.071 2.013 2.143 0.045 1.993 2.580 0.075 2.438 2.600 0.075 2.458 2.607 0.048 2.438 3.004 0.085 2.829 3.025 0.085 2.850 3.036 0.053 2.829 3.433 0.090 3.220 3.455 0.090 3.242 3.467 0.056 3.220 4.361 0.095 4.110 4.385 0.095 4.134 4.396 0.060 4.110 5.212 0.112 4.891 5.238 0.112 4.917 5.253 0.071 4.891 7.042 0.118 6.619 7.070 0.118 6.647 7.085 0.075 6.619 7.212 0.112 6.891 7.238 0.112 6.917 7.253 0.071 6.891 8.862 0.132 8.344 8.894 0.132 8.376 8.909 0.085 8.344 9.042 0.118 8.619 9.070 0.118 8.647 9.085 0.075 8.619 9.212 0.112 8.891 9.238 0.112 8.917 9.253 0.071 8.891 9.391 0.100 9.166 9.413 0.100 9.188 9.428 0.063 9.166
4g6g
4g6g
4g6g
4g6g
4g6g
M4 × 0.7 M4 × 0.7 M4 × 0.7 M5 × 0.8 M5 × 0.8 M5 × 0.8 M6 × 1 M6 × 1 M6 × 1 M8 × 1.25 M8 × 1.25 M8 × 1.25
4g6g
4g6g
4g6g
4g6g
M8 × 1 M8 × 1 M8 × 1
4g6g
M10 × 1.5 M10 × 1.5 M10 × 1.5 M10 × 1.25 M10 × 1.25 M10 × 1.25 M10 × 1 M10 × 1 M10 × 1 M10 × 0.75 M10 × 0.75 M10 × 0.75 M12 × 1.75 M12 × 1.75 M12 × 1.75 M12 × 1.5 M12 × 1.5 M12 × 1.5 M12 × 1.25 M12 × 1.25 M12 × 1.25 M12 × 1 M12 × 1 M12 × 1 M14 × 2 M14 × 2 M14 × 2 M14 × 1.5 M14 × 1.5 M14 × 1.5 M15 × 1 M15 × 1 M15 × 1
10.000 9.968 9.972 10.000 9.972 9.974 10.000 9.974 9.978 10.000 9.978 11.966 12.000 11.966 11.968 12.000 11.968 11.972 12.000 11.972 11.974 12.000 11.974 13.962 14.000 13.962 13.968 14.000 13.968 14.974 15.000 14.974
4g6g
4g6g
4g6g
4g6g
11.701 10.829 10.679 0.150 10.071 11.735 10.863 10.713 0.150 10.105 11.701 10.829 10.734 0.095 10.071 11.732 10.994 10.854 0.140 10.344 11.764 11.026 10.886 0.140 10.376 11.732 10.994 10.904 0.090 10.344
4g6g
4g6g
11.760 11.160 11.028 0.132 10.619 10.258 11.788 11.188 11.056 0.132 10.647 10.286 11.760 11.160 11.075 0.085 10.619 10.305 11.794 11.324 11.206 0.118 10.891 10.590 11.820 11.350 11.232 0.118 10.917 10.616 11.794 11.324 11.249 0.075 10.891 10.633 13.682 12.663 12.503 0.160 11.797 11.271 13.720 12.701 12.541 0.160 11.835 11.309 13.682 12.663 12.563 0.100 11.797 11.331 13.732 12.994 12.854 0.140 12.344 11.930 13.764 13.026 12.886 0.140 12.376 11.962 13.732 12.994 12.904 0.090 12.344 11.980 14.794 14.324 14.206 0.118 13.891 13.590 14.820 14.350 14.232 0.118 13.917 13.616 14.794 14.324 14.249 0.075 13.891 13.633
4g6g
4g6g
4g6g
4g6g
4g6g
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