Standards ASTM A479 / ASME SA479 Fasteners size Bolt / Screw Size : M3 M56 | 3/6 to 2 | Custom Sizes. Nuts Size : M3 M56 | 3/6 to 2| Custom Sizes. Washers Size : M3 M56 | 3/6 to 2 | Custom Sizes. Machine Screws Size : M1.6 M12. Self Tapping Screw Size : No.2 No. 14. Length 3 mm to 200 mm Threads Configuration ASME B1.1 2A/3A 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads Certification Dual Certified As per ASTM & ASME Codes Fasteners Type Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw, Pan Head Screw, Socket Head Cap Screw, Wing Screw, T-Head Bolts, Foundation Bolts,Screw, Studs, Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Wing Screw, Spring Washers, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut,U- Bolts, Anchor Bolt, Mushroom Head Square Neck Bolts, J Bolts,Eye Bolt,Structural Bolts, Bolts, Nuts, Sockets, Screws, Allen Cap screw