ISO 14581

Dimensions for ISO 14581 Hexalobular socket countersunk flat head screws

Thread dpbdkkcrInner Hexalobular
teoreticactualhexalobular numberAt
minmaxnom=maxmin.nom.=maxmaxref.maxmin
M 2without mounting shaft254.43.83.51.20.561.750.640.51
M 2.5 255.54.74.41.50.682.40.790.66
M 3 256.35.55.21.650.8102.80.830.7
M 3.5 388.27.36.942.350.9153.351.321.16
M 4 389.48.48.042.71203.951.531.14
M 5Stepped shaft3810.49.38.942.71.3254.51.511.12
M 6 3812.611.310.873.31.5305.61.781.39
M 8 3817.315.815.374.652457.952.542.15
M 10 382018.317.7852.5508.982.82.41