ASTM A320 Grade L7 Hex Cap Screws

Low Temperature Alloy Steel Bolting

ASTM A320 Grade L7 Hex Cap Screws

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

DIN ISO ASME UNI
Imperial Metric
933 4017 B18.2.1 B18.2.3.1M 5739
960 8765 5738