Hex Bolt, Hex Cap Screw
Standard: ANSI/ASME B18.2.1 DIN931, DIN933, DIN960, DIN961, DIN7990
Grade: 2, 5 & 8. ASTM A307 grade A, Metric Bolt-Class 4.8, 8.8, 10.9, 12.9
Thread UNC, UNFSurface: Plain,Black,Zinc plated, Yellow Zinc, Hot Dip Galvanized, Dacromet
Bulk or Small B...
Products: screw washer head,
self drilling screw