asme-b18-3-hexagon-spline-socket-flat-countersunk-head-screws

ASME B18.3 Hexagon Socket Flat Head Cap Screw Dimensions

Nominal Size or Basic Screw DiameterBody Diameter, DHead Diameter, AHead Height, HHexagon Socket SizeKey Engagement, T
MaxMinTheo. Sharp MaxAbs MinRefNomMin
00.06000.06000.05680.1380.1170.0440.0350.025
10.07300.07300.06950.1680.1430.0540.0500.031
20.08600.08600.08220.1970.1680.0640.0500.038
30.09900.09900.09490.2260.1930.0731/160.044
40.11200.11200.10750.2550.2180.0831/160.055
50.12500.12500.12020.2810.2400.0905/640.061
60.13800.13800.13290.3070.2630.0975/640.066
80.16400.16400.15850.3590.3110.1123/320.076
100.19000.19000.18400.4110.3590.1271/80.087
1/40.25000.25000.24350.5310.4800.1615/320.111
5/160.31250.31250.30530.6560.6000.1983/160.135
3/80.37500.37500.36780.7810.7200.2347/320.159
7/160.43750.43750.42940.8440.7810.2341/40.159
1/20.50000.50000.49190.9380.8720.2515/160.172
5/80.62500.62500.61631.1881.1120.3243/80.220
3/40.75000.75000.74061.4381.3550.3961/20.220
7/80.87500.87500.86471.6881.6040.4689/160.248
11.00001.00000.98861.9381.8410.5405/80.297
1 1/81.12501.12501.10862.1882.0790.6113/40.325
1 1/41.25001.25001.23362.4382.3160.6837/80.358
1 3/81.37501.37501.35682.6882.5530.7557/80.402
1 1/21.50001.50001.48182.9382.7910.82710.435