Page 1660 - MiSUMi 2025

[Technical Data]
Metric Coarse Screw Threads Excerpts from JIS B 0205 (2001)

H 8
H 2 Female Thread
1
H
H
30° 30°
H 2 60° d or D H ＝0.866025P D ＝d
H 4 Male Thread d2 or D2 H1 ＝0.541266P D2 ＝d2
d1 or D1 d2 ＝d－0.649519P
P D1 ＝d1
90° Axial Line of Thread
d1 ＝d－1.082532P
Unit: mm
Nominal of Thread(1)* Pitch Engagement Female Thread
Unit:mm
Height Major Dia. D Effective Dia. D2 Minor Dia. D1
Male Thread
Column 1 Column 2 Column 3 P H1
Major Dia. d Effective Dia. d2 Minor Dia. d1
M1 0.25 0.135 1.000 0.838 0.729
M1.1 0.25 0.135 1.100 0.938 0.829
M1.2 0.25 0.135 1.200 1.038 0.929
M1.4 0.3 0.162 1.400 1.205 1.075
M1.6 0.35 0.189 1.600 1.373 1.221
M1.8 0.35 0.189 1.800 1.573 1.421
M2 0.4 0.217 2.000 1.740 1.567
M2.2 0.45 0.244 2.200 1.908 1.713
M2.5 0.45 0.244 2.500 2.208 2.013
M3 0.5 0.271 3.000 2.675 2.459
M3.5 0.6 0.325 3.500 3.110 2.850
M4 0.7 0.379 4.000 3.545 3.242
M4.5 0.75 0.406 4.500 4.013 3.688
M5 0.8 0.433 5.000 4.480 4.134
M6 1 0.541 6.000 5.350 4.917
M7 1 0.541 7.000 6.350 5.917
M8 1.25 0.677 8.000 7.188 6.647
M9 1.25 0.677 9.000 8.188 7.647
M10 1.5 0.812 10.000 9.026 8.376
M11 1.5 0.812 11.000 10.026 9.376
M12 1.75 0.947 12.000 10.863 10.106
M14 2 1.083 14.000 12.701 11.835
M16 2 1.083 16.000 14.701 13.835
M18 2.5 1.353 18.000 16.376 15.294
M20 2.5 1.353 20.000 18.376 17.294
M22 2.5 1.353 22.000 20.376 19.294
M24 3 1.624 24.000 22.051 20.752
M27 3 1.624 27.000 25.051 23.752
M30 3.5 1.894 30.000 27.727 26.211
M33 3.5 1.894 33.000 30.727 29.211
M36 4 2.165 36.000 33.402 31.670
M39 4 2.165 39.000 36.402 34.670
M42 4.5 2.436 42.000 39.077 37.129
M45 4.5 2.436 45.000 42.077 40.129
M48 5 2.706 48.000 44.752 42.587
M52 5 2.706 52.000 48.752 46.587
M56 5.5 2.977 56.000 52.428 50.046
M60 5.5 2.977 60.000 56.428 54.046
M64 6 3.248 64.000 60.103 57.505
M68 6 3.248 68.000 64.103 61.505
*Priority should be given to Column 1. If required, select items in Column 2 and 3, in that order.

B-015