ASTM A320 Grade L7 Set Screws

Low Temperature Alloy Steel Bolting

ASTM A320 Grade L7 Set Screws

ASTM A320 Grade L7 Set Screws Boltport offers ASTM A320 Grade L7 Set Screws in metric and inch sizes, manufactured to DIN 913, 914, 915, 916, ISO 4026, 4027, 4028, 4029, UNI 5923, 5927, 5925, 5929, ASME B18.3 & B18.3.6M standards with coarse, UNC, UN, fine UNF, extra fine UNEF, ISO, BSW & BSF threads. Hexagon socket set screws are available with flat point, cone point, full dog point & cup point. A320 Grade L7 set screws are produced from SAE / AISI 4140 alloy steel and heat-treated to induce properties suitable for low temperature service.

Set Screw Sizes & Thread Specifications

Metric Sizes M1.4 to M24
Inch Sizes #0 to 1"
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

Set Screw Standards

Type DIN ISO ASME UNI
Imperial Metric
Hexagon Socket Set Screw with Flat Point 913 4026 B18.3 B18.3.6M 5923
Hexagon Socket Set Screw with Cone Point 914 4027 5927
Hexagon Socket Set Screw with Full Dog Point 915 4028 5925
Hexagon Socket Set Screw with Cup Point 916 4029 5929