x

Technical Support

CMT, toward more trust
and newer technology!

Screw Design Standard

Screw Pitch (mm) Range of effective size on the basis of KS meter screw's tolerance method Standard of effective size
4h (Precision level, 1st level)
Measure of effective size
6g (Usual level, 2nd level)
Measure of effective size
4h (1st level) 6g (2nd level)
Top limit Medium Bottom limit Basic scheme Top limit Medium Bottom limit Basic scheme Basic size Tolerance Basic size Tolerance
M1.6 0.35 1.373 1.353 1.333 1.343 1.354 1.323 1.291 1.323 1.34 ¡¾0.015 1.32 ¡¾0.015
M1.8 0.35 1.573 1.553 1.533 1.543 1.554 1.523 1.491 1.523 1.54 1.52
M2.0 0.4 1.740 1.719 1.698 1.709 1.721 1.688 1.654 1.688 1.71 1.69
M2.2 0.45 1.908 1.886 1.863 1.874 1.888 1.853 1.817 1.853 1.87 1.85
M2.5 0.45 2.208 2.186 2.163 2.174 2.188 2.153 2.117 2.153 1.87 2.17
M3.0 0.5 2.675 2.651 2.627 2.639 2.655 2.618 2.580 2.618 2.64 ¡¾0.02 2.62 ¡¾0.02
M3.5 0.6 3.110 3.084 3.057 3.070 3.089 3.047 3.004 3.047 3.07 3.05
M4.0 0.5 3.675 3.651 3.627 3.639 3.655 3.618 3.580 3.618 3.64 3.62
0.7 3.545 3.517 3.489 3.503 3.523 3.478 3.433 3.478 3.50 3.48
M4.5 0.75 4.013 3.985 3.957 3.971 3.991 3.946 3.901 3.946 3.97 3.95
M5.0 0.5 4.675 4.651 4.627 4.639 4.655 4.618 4.580 4.618 4.64 4.62
0.8 4.480 4.450 4.420 4.435 4.456 4.409 4.361 4.409 4.11 4.41
M6.0 0.75 5.513 5.482 5.450 5.466 5.491 5.441 5.391 5.441 5.47 5.44
1.0 5.350 5.315 5.279 5.297 5.324 5.268 5.212 5.268 5.30 5.27
M7.0 0.75 6.513 6.482 6.450 6.466 6.491 6.441 6.391 6.441 6.47 6.44
1.0 6.350 6.315 6.279 6.297 6.324 6.268 6.212 6.268 6.30 6.27
M8.0 1.0 7.350 7.315 7.279 7.297 7.324 7.268 7.212 7.268 7.30 7.27
1.25 7.188 7.151 7.113 7.132 7.160 7.101 7.042 7.101 7.13 7.10
M10.0 1.0 9.350 9.315 9.279 9.297 9.324 9.268 9.212 9.268 9.30 9.27
1.5 9.026 8.984 8.941 8.962 8.994 8.928 8.862 8.928 8.96 8.93
M12.0 1.0 11.350 11.313 11.274 11.294 11.324 11.265 11.206 11.265 11.29 11.27
1.750 10.863 10.816 10.768 10.792 10.829 10.754 10.679 10.754 10.79 10.75

Move the scroll to see the table.