hexagon-socket-head-cap-screws-bs-2470

Dimensions of hexagon socket head cap screws, BSW and BSF Thread BS 2470

Nominal SizeDAHSJKWFillet RadiusCT
Body DiameterHead DiameterHead HeightHead Side HeightHexagon Socket SizeKey EngagementWall ThicknessFdaChamfer or RadiusThread length
Max.Min.Max.Min.Max.Min.Min.Nom.Min.Min.Min.Max.Max.Min.
3/160.18750.18150.3120.3030.1870.1820.1685/320.0890.0650.0090.21550.0050.875
1/40.25000.24350.3750.3650.2500.2440.2253/160.1200.0950.0090.2780.0081.000
5/160.31250.30530.4370.4250.3120.3060.2817/320.1510.1190.0120.34650.0081.125
3/80.37500.36780.5620.5500.3750.3680.3375/160.1820.1430.0150.4150.0081.250
7/160.43750.42940.6250.6110.4370.4300.3945/160.2130.1660.0180.48350.0101.375
1/20.50000.49190.7500.7350.5000.4920.4503/80.2450.1900.0200.5520.0101.500
5/80.62500.61630.8750.8580.6250.6160.5621/20.3070.2380.0240.6890.0101.750
3/40.75000.74061.0000.9820.7500.7400.6759/160.3700.2850.0300.8280.0102.000
7/80.87500.86471.1251.1050.8750.8640.7879/160.4320.3330.0340.9630.0152.250
11.00000.98861.3121.2911.0000.9880.9005/80.4950.3800.0401.1000.0152.500