CLICK SEE LARGE IMAGE Hex head fasteners SD03 Hex head fasteners DIN931/933, ISO4017/4017, ASME B18.2.1 Working Time: 75 days Carbon Steel, Alloy Steel M5~M20, length 300mm MAX (no.10~3/4”, 12” long MAX) M22~M36, length 240mm MAX (7/8~1-1/8”, length 8” MAX)
