BUTTON HEAD SOCKET CAP SCREWS DIN 9427 |
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All Dimensions in Millimeters | ![]() |
Basic Screw Diameter |
Head Diameter | Head Height | Head Side Height | Hex. Socket Size | Key Engagement | Wall Thickness | ||
Max. | Min. | Max. | Min. | Ref. | Nom. | Min. | Min. | |
M3 | 5.70 | 5.40 | 1.85 | 1.43 | 0.38 | 2.0 | 1.04 | 0.20 |
M4 | 7.60 | 7.24 | 2.20 | 1.95 | 0.38 | 2.5 | 1.30 | 0.30 |
M5 | 9.50 | 9.14 | 2.75 | 2.50 | 0.50 | 3.0 | 1.56 | 0.38 |
M6 | 10.50 | 10.07 | 3.30 | 3.00 | 0.80 | 4.0 | 2.08 | 0.74 |
M8 | 14.00 | 13.57 | 4.40 | 4.05 | 0.80 | 5.0 | 2.60 | 1.05 |
M10 | 17.50 | 17.07 | 5.50 | 5.20 | 0.80 | 6.0 | 3.12 | 1.45 |
M12 | 21.00 | 20.48 | 6.60 | 6.24 | 0.80 | 8.0 | 4.16 | 1.63 |
M16 | 28.00 | 27.48 | 8.80 | 8.44 | 1.50 | 10.0 | 5.20 | 2.25 |