ISO 4029
Dimensionssdt max
M 1.60.70.8
M 20.91
M 2.51.31.5
M 31.52
M 422.5
M 52.53.5
M 634
M 845.5
M 1057
M 1268.35
M 14610
M 16812
M 201015
M 241218

l – length of Bolts
d – the nominal diameter of the thread
s – size hex head turnkey
t – groove depth
dv – diameter of the hole

Dimensions of Hexagon Socket Set Screws with Cup Point

Dimensionssdv max
M 1.40.70.7
M 1.60.70.8
M 20.91
M 2.51.31.5
M 31.51.4
M 41.22
M 52.52.5
M 633
M 845
M 1056
M 1268
M 1469
M 16810
M 201014
M 241216