ASTM A320 Grade L7 Hex Cap Screws
Boltport offers ASTM A320 Grade L7 Hex Cap Screws in metric and inch sizes, manufactured to DIN 933, 960, ISO 4017, 8765 UNI 5739, 5738, ASME B18.2.1 & B18.2.3.1M standards with coarse, UNC, UN, fine UNF, extra fine UNEF, ISO, BSW & BSF threads. Hex cap screws are available in full thread, part threads with full shank and reduced shank type pattern. A320 Grade L7 hex cap screws are produced from SAE / AISI 4140 alloy steel and heat-treated to induce properties suitable for low temperature service.
Hex Cap Screw Sizes & Thread Specifications
Metric Sizes |
M2 to M152 |
Inch Sizes |
ΒΌ" to 4" |
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 Cap Screw Standards