ASTM A320 Grade L7 Double End Studs
Boltport offers ASTM A320 Grade L7 Double End Studs in metric and inch sizes, manufactured to DIN 938, DIN 939, DIN 2510, ASME B18.31.2 and B18.31.1M standards with coarse, UNC, UN, fine UNF, extra fine UNEF, ISO, BSW & BSF threads. Double End Studs are available in full shank and reduced shank type pattern. A320 Grade L7 double end studs are produced from SAE / AISI 4140 alloy steel and heat-treated to induce properties suitable for low temperature service.
Double End Stud Sizes & Thread Specifications
| Metric Sizes |
M12 to M152 |
| Inch Sizes |
1/2" 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 |
Double End Stud Standards
