Page 1661 - MiSUMi 2025

[Technical Data]
Metric Fine Screw Threads Excerpts from JIS B 0207 (1999)

H 8
H 2 Female Thread
H 1
H
30° 30° d or D
H 2 60° H ＝0.866025P D ＝d
H 4 Male d1 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
Pitch Engagement Female Thread Pitch Engagement Female Thread
Nominal of Height Major Dia. D Effective Dia. D2 Minor Dia. D1 Nominal of Height Major Dia. D Effective Dia. D2 Minor Dia. D1
Thread Male Thread Thread Male Thread
P H1 P H1
Major Dia. d Effective Dia. d2 Minor Dia. d1 Major Dia. d Effective Dia. d2 Minor Dia. d1
M1 ×0.2 0.2 0.108 1.000 0.870 0.783 M25 ×2 2 1.083 25.000 23.701 22.835
M1.1 ×0.2 0.2 0.108 1.100 0.970 0.883 M25 ×1.5 1.5 0.812 25.000 24.026 23.376
M1.2 ×0.2 0.2 0.108 1.200 1.070 0.983 M25 ×1 1 0.541 25.000 24.350 23.917
M1.4 ×0.2 0.2 0.108 1.400 1.270 1.183 M26 ×1.5 1.5 0.812 26.000 25.026 24.376
M1.6 ×0.2 0.2 0.108 1.600 1.470 1.383 M27 ×2 2 1.083 27.000 25.701 24.835
M1.8 ×0.2 0.2 0.108 1.800 1.670 1.583 M27 ×1.5 1.5 0.812 27.000 26.026 25.376
M2 ×0.25 0.25 0.135 2.000 1.838 1.729 M27 ×1 1 0.541 27.000 26.350 25.917
M2.2 ×0.25 0.25 0.135 2.200 2.038 1.929 M28 ×2 2 1.083 28.000 26.701 25.835
M2.5 ×0.35 0.35 0.189 2.500 2.273 2.121 M28 ×1.5 1.5 0.812 28.000 27.026 26.376
M3 ×0.35 0.35 0.189 3.000 2.773 2.621 M28 ×1 1 0.541 28.000 27.350 26.917
M3.5 ×0.35 0.35 0.189 3.500 3.273 3.121 M30 ×3 3 1.624 30.000 28.051 26.752
M4 ×0.5 0.5 0.271 4.000 3.675 3.459 M30 ×2 2 1.083 30.000 28.701 27.835
M4.5 ×0.5 0.5 0.271 4.500 4.175 3.959 M30 ×1.5 1.5 0.812 30.000 29.026 28.376
M5 ×0.5 0.5 0.271 5.000 4.675 4.459 M30 ×1 1 0.541 30.000 29.350 28.917
M5.5 ×0.5 0.5 0.271 5.500 5.175 4.959 M32 ×2 2 1.083 32.000 30.701 29.835
M6 ×0.75 0.75 0.406 6.000 5.513 5.188 M32 ×1.5 1.5 0.812 32.000 31.026 30.376
M7 ×0.75 0.75 0.406 7.000 6.513 6.188 M33 ×3 3 1.624 33.000 31.051 29.752
M8 ×1 1 0.541 8.000 7.350 6.917 M33 ×2 2 1.083 33.000 31.701 30.835
M8 ×0.75 0.75 0.406 8.000 7.513 7.188 M33 ×1.5 1.5 0.812 33.000 32.026 31.376
M9 ×1 1 0.541 9.000 8.350 7.917 M35 ×1.5 1.5 0.812 35.000 34.026 33.376
M9 ×0.75 0.75 0.406 9.000 8.513 8.188 M36 ×3 3 1.624 36.000 34.051 32.752
M10 ×1.25 1.25 0.677 10.000 9.188 8.647 M36 ×2 2 1.083 36.000 34.701 33.835
M10 ×1 1 0.541 10.000 9.350 8.917 M36 ×1.5 1.5 0.812 36.000 35.026 34.376
M10 ×0.75 0.75 0.406 10.000 9.513 9.188 M38 ×1.5 1.5 0.812 38.000 37.026 36.376
M11 ×1 1 0.541 11.000 10.350 9.917 M39 ×3 3 1.624 39.000 37.051 35.752
M11 ×0.75 0.75 0.406 11.000 10.513 10.188 M39 ×2 2 1.083 39.000 37.701 36.835
M12 ×1.5 1.5 0.812 12.000 11.026 10.376 M39 ×1.5 1.5 0.812 39.000 38.026 37.376
M12 ×1.25 1.25 0.677 12.000 11.188 10.647 M40 ×3 3 1.624 40.000 38.051 36.752
M12 ×1 1 0.541 12.000 11.350 10.917 M40 ×2 2 1.083 40.000 38.701 37.835
M14 ×1.5 1.5 0.812 14.000 13.026 12.376 M40 ×1.5 1.5 0.812 40.000 39.026 38.376
M14 ×1.25 1.25 0.677 14.000 13.188 12.647 M42 ×4 4 2.165 42.000 39.402 37.670
M14 ×1 1 0.541 14.000 13.350 12.917 M42 ×3 3 1.624 42.000 40.051 38.752
M15 ×1.5 1.5 0.812 15.000 14.026 13.376 M42 ×2 2 1.083 42.000 40.701 39.835
M15 ×1 1 0.541 15.000 14.350 13.917 M42 ×1.5 1.5 0.812 42.000 41.026 40.376
M16 ×1.5 1.5 0.812 16.000 15.026 14.376 M45 ×4 4 2.165 45.000 42.402 40.670
M16 ×1 1 0.541 16.000 15.350 14.917 M45 ×3 3 1.624 45.000 43.051 41.752
M17 ×1.5 1.5 0.812 17.000 16.026 15.376 M45 ×2 2 1.083 45.000 43.701 42.835
M17 ×1 1 0.541 17.000 16.350 15.917 M45 ×1.5 1.5 0.812 45.000 44.026 43.376
M18 ×2 2 1.083 18.000 16.701 15.835 M48 ×4 4 2.165 48.000 45.402 43.670
M18 ×1.5 1.5 0.812 18.000 17.026 16.376 M48 ×3 3 1.624 48.000 46.051 44.752
M18 ×1 1 0.541 18.000 17.350 16.917 M48 ×2 2 1.083 48.000 46.701 45.835
M20 ×2 2 1.083 20.000 18.701 17.835 M48 ×1.5 1.5 0.812 48.000 47.026 46.376
M20 ×1.5 1.5 0.812 20.000 19.026 18.376 M50 ×3 3 1.624 50.000 48.051 46.752
M20 ×1 1 0.541 20.000 19.350 18.917 M50 ×2 2 1.083 50.000 48.701 47.835
M22 ×2 2 1.083 22.000 20.701 19.835 M50 ×1.5 1.5 0.812 50.000 49.026 48.376
M22 ×1.5 1.5 0.812 22.000 21.026 20.376 M52 ×4 4 2.165 52.000 49.402 47.670
M22 ×1 1 0.541 22.000 21.350 20.917 M52 ×3 3 1.624 52.000 50.051 48.752
M24 ×2 2 1.083 24.000 22.701 21.835 M52 ×2 2 1.083 52.000 50.701 49.835
M24 ×1.5 1.5 0.812 24.000 23.026 22.376 M52 ×1.5 1.5 0.812 52.000 51.026 50.376
M24 ×1 1 0.541 24.000 23.350 22.917 M55 ×4 4 2.165 55.000 52.402 50.670
M55 ×3 3 1.624 55.000 53.051 51.752
M55 ×2 2 1.083 55.000 53.701 52.835
M55 ×1.5 1.5 0.812 55.000 54.026 53.376
B-016