DIN 933 Hex Screws)

Equivalent Standards

DIN 933 Hex Screws

DIN 933 Hex Screws Dimensions

Size Width Across Flat (s) Head Height (k)
DIN 933 ISO 4017 DIN 933 ISO 4017
Min Max Min Max Min Max Min Max
M2 3.82 4.00 3.82 4.00 1.28 1.52 1.275 1.525
M3 5.32 5.50 5.32 5.50 1.88 2.12 1.875 2.125
M4 6.78 7.00 6.78 7.00 2.68 2.92 2.675 2.925
M5 7.78 8.00 7.78 8.00 3.35 3.65 3.35 3.65
M6 9.78 10.00 9.78 10.00 3.85 4.15 3.85 4.15
M8 12.73 13.00 12.73 13.00 5.15 5.45 5.15 5.45
M10 16.73 17.00 15.73 16.00 6.22 6.58 6.22 6.58
M12 18.67 19.00 17.73 18.00 7.32 7.68 7.32 7.68
M14 21.67 22.00 20.67 21.00 8.62 8.98 8.62 8.98
M16 23.67 24.00 23.67 24.00 9.82 10.2 9.82 10.18
M18 26.67 27.00 26.67 27.00 11.28 11.7 11.285 11.715
M20 29.67 30.00 29.67 30.00 12.28 12.7 12.285 12.715
M22 31.61 32.00 33.38 34.00 13.78 14.2 13.785 14.215
M24 35.38 36.00 35.38 36.00 14.78 15.2 14.785 15.215
M27 40.00 41.00 40.00 41.00 16.65 17.4 16.65 17.35
M30 45.00 46.00 45.00 46.00 18.28 19.1 18.28 19.12
M33 49.00 50.00 49.00 50.00 20.58 21.4 20.58 21.42
M36 53.80 55.00 53.80 55.00 22.08 22.9 22.08 22.92
M39 58.80 60.00 58.80 60.00 24.58 25.4 24.58 25.42
M42 63.10 65.00 63.10 65.00 25.58 26.4 25.58 26.42
M45 68.10 70.00 68.10 70.00 27.58 28.4 27.58 28.42
M48 73.10 75.00 73.10 75.00 29.58 30.4 29.58 30.42
M52 78.10 80.00 78.10 80.00 32.5 33.5 32.5 33.5
M56 82.80 85.00 82.80 85.00 34.5 35.5 34.5 35.5
M60 87.80 90.00 87.80 90.00 37.5 38.5 37.5 38.5
M64 92.80 95.00 92.80 95.00 39.5 40.5 39.5 40.5
M72 102.80 105.00 -- -- 44.5 45.5 -- --