Bolts & Screws :Hexagonal Square head Normal & heavy series to the following standards:

ANSI B18.2.1, BS: 1083, 1768, 3692, DIN 931, 933, 960 and 961.

Socket Head Cap :Socket Head Cap Screw according to ANSI B18.3, BS: 2470, 4168, DIN 912, 913, 914, 915, 916 6912 

Engineers studs:Engineers Studs according to DIN 835, 938, 939, 940, BS4882

Nuts:HexagonalSelf-lockingBi-hexagonal 12 pointNormal & heavy series according to ANSI B.18.2.2. BS: 1083, 1768, 1769, 3692, DIN 934, 2510, 6915.

Washers:FlatTabSpring/lock according to NFE, BS, DIN, ANSI