ASTM A320 Grade L7 Hex Bolts
Boltport offers ASTM A320 Grade L7 Hex Bolts in metric and inch sizes, manufactured to DIN 931, 601, ISO 4014, 4016, UNI 5737, ASME B18.2.1 & B18.2.3.5M standards with coarse, UNC, UN, fine UNF, extra fine UNEF, ISO, BSW & BSF threads. Hex bolts are available in full thread, part threads with full shank and reduced shank type pattern. A320 Grade L7 hex bolts are produced from SAE / AISI 4140 alloy steel and heat-treated to induce properties suitable for low temperature service.
Hex Bolt Sizes & Thread Specifications
| Metric Sizes |
M2 – M152 |
| Inch Sizes |
¼" to 8" |
| Metric Threads |
ISO, ASME |
| Imperial Threads |
ASME, BSW, BSF |
| Thread Standards |
ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643 |
Hex Bolt Standards
