Button Head Socket (ISO 7380)

ISO 7380 Button Head Socket Technical Drawing

 

Nominal Screw Diameter and Thread PitchAHSJT
Head DiameterHead HeightHead Side HeightHexagon Socket SizeKey Engagement
Min.Max.Min.Max.Ref.Nom.Min.
M3 x 0.55.405.701.431.650.382.01.04
M4 x 0.77.247.601.952.200.382.51.30
M5 x 0.89.149.502.502.750.503.01.56
M6 x 110.0710.503.003.300.804.02.08
M8 x 1.2513.5714.004.054.400.805.02.60
M10 x 1.517.0717.505.205.500.806.03.12
M12 x 1.7520.4821.006.246600.808.04.16
M16 x 227.4828.008.448.801.510.05.20

Nominal Screw Diameter and Thread PitchGBEFL
Wall ThicknessUnder Head FilletMaximum Standard Length
Transition DiameterTransition LengthJuncture Radius
Min.Min.Max.Max.Min.Nom
M3 x 0.50.203.23.60.510.1012
M4 x 0.70.304.44.70.600.2020
M5 x 0.80.385.45.70.600.2030
M6 x 10.746.56.80.680.2530
M8 x 1.251.058.89.21.020.4040
M10 x 1.51.4510.811.21.020.4040
M12 x 1.751.6313.214.21.870.6060
M16 x 22.2517.218.21.870.6060

*All information is strictly informative