Material: 201, 304, 316L
Standard: DIN933、DIN931、GB30、GB21、GB5783、ANSI B18.2.1
Specifications: M3-M24, 1/4 "-1/2"
HEXAGON HEAD BOLTS
HEXAGON SOCKET CAP SCREWS（WITH KNURL）
HEXAGON NUTS
PLAIN WASHERS
HEXAGON SOCKET CAP SCREWS
