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

Dimensions of hexagon socket head cap screws,ISO inch (Unified) threads

Nominal SizeDAHSJKWFillet radiusCT
Body diameterHead diameterHead heightHead side heightHexagon socket size*Key engagementWall thicknessFdaChamfer or radiusThread length
Max.Min.Max.Min.Max.Min.Min.Nom.Min.Min.Min.Max.Max.Min.
00.06000.05680.0960.0910.0600.0570.0540.0500.0250.0200.0030.0740.0030.500
10.07300.06950.1180.1120.0730.0700.0660.0500.0310.0250.0030.0870.0030.625
20.08600.08220.1400.1340.0860.0830.0771/160.0380.0290.0040.1020.0030.625
30.09900.09490.1610.1540.0990.0950.0895/640.0440.0340.0040.1150.0030.625
40.11200.10750.1830.1760.1120.1080.1015/640.0510.0380.0050.1300.0050.750
50.12500.12020.2050.1980.1250.1210.1123/320.0570.0430.0060.1450.0050.750
60.13800.13290.2260.2180.1380.1340.1243/320.0640.0470.0060.1580.0050.750
80.16400.15850.2700.2620.1640.1590.1481/80.0770.0560.0070.1880.0050.875
100.19000.18400.3120.3030.1900.1850.1715/320.0900.0650.0090.2180.0050.875
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