hexagon-socket-head-cap-screws-bs-24702

Dimensions of hexagon socket head cap screws, BA 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.
6 BA0.11020.11020.10570.1870.1800.1100.1060.0995/670.0500.0370.0050.12820.0050.750
5 BA*0.12600.12600.12120.2190.2110.1260.1220.1133/320.0580.0430.0060.14600.0050.750
4 BA0.14170.14170.13660.2190.2110.1420.1370.1283/320.0660.0480.0060.16170.0050.750
3 BA*0.16140.16140.15590.2500.2420.1610.1560.1451/80.0750.0550.0070.18540.0050.875
2 BA0.18500.18500.17900.3120.3030.1870.1820.1685/320.0890.0630.0090.21300.0050.875
1 BA*0.20870.20870.20270.3120.3030.2090.2040.1885/320.1000.0710.0090.23670.0081.000
0 BA*0.23620.23620.22970.3750.3650.2360.2300.2123/160.1130.0800.0090.26420.0081.000