Hex Socket Countersunk bolt

Name Hexagon socket head cap screws

Standard GB/T 70  ISO 4762  DIN 912   ASME B 18.3   JIS B 1176

ISO 10642  DIN 7991  ISO 7380   JIS B 1174 

Size M5～M64

1/4～4

Length 40mm～1500mm

Grade 4.8 5.8 6.8 8.8 10.9 12.9

Material Carbon steel、Stainless steel、355 35K 45# 40Cr 35CrMo 42CrMo 

Surface black, zinc plated, color zinc, hot dipped galvanized, dacromet

Specification