DIN 7984

Dimensions for Low Head Socket Head Cap Screws

Size Pitch Thread Length b1 (min) Head Dia. (d2) Head Height. (k) Key Size (s) Key Engagement (t)
Length (MM)
≤125 >125≤200 >200 Min Max Min Max Min Max Min Max
M 3 0.5 12.00 200″>- 5.320 5.500 1.860 2.000 2.020 2.100 1.380 1.620
M 4 0.70 14.00 200″>- 6.780 7.000 2.660 2.800 2.520 2.600 2.180 2.420
M 5 0.80 16.00 200″>- 8.250 8.500 3.320 3.500 3.020 3.100 2.580 2.820
M 6 1.00 18.00 200″>- 9.780 10.000 3.820 4.000 4.020 4.120 2.880 3.120
M 8 1.25 22.00 200″>- 12.720 13.000 4.820 5.000 5.020 5.140 3.650 3.950
M 10 1.50 26.00 200″>- 15.730 16.000 5.820 6.500 7.025 7.175 4.350 4.650
M 12 1.75 30.00 200″>- 17.730 18.000 6.780 7.000 8.025 8.175 4.850 5.150
M 14 2.00 34.00 200″>- 20.670 21.000 7.780 8.000 10.025 10.175 5.150 5.450
M 16 2.00 38.00 200″>57.00 23.610 24.000 8.780 9.000 12.032 12.212 5.350 5.650
M 18 2.50 42.00 200″>61.00 26.670 27.000 9.780 10.000 14.032 12.212 6.320 6.680
M 20 2.50 46.00 200″>65.00 29.670 30.000 10.730 11.000 14.032 14.212 7.320 7.680
M 22 2.50 50.00 200″>69.00 32.610 33.000 11.730 12.000 14.032 14.212 7.820 8.180
M 24 3.00 54.00 200″>73.00 35.610 36.000 12.730 13.000 17.050 17.230 7.820 8.180