A socket cap screw, also known as a socket head capscrew, socket screw, or Allen bolt, is a type of cap screw with a cylindrical head and hexagonal drive hole. The term socket head capscrew typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times that of the screw shank (major) diameter, with a head height equal to the shank diameter.
Allen Bolt/Socket Head Cap Screw, Allen CSK Bolt, Grub Screw/Socket Head Set Screw, Button Head Screw, Socket Low Head Cap Screw, Socket Head Shoulder Screw, Flange Button Head Socket Screw, Flat Head Cap Screw, Metric Socket Head Cap Screw, Fully Threaded Socket Head Cap Screw, Partial Threaded Socket Head Cap Screw, Socket Head Cap Screw, Countersunk Socket Head Screw, Button Head Socket Screw, Imperial Socket Head Cap Screw.
Dimension: ASTM, DIN, BS, GB, IS and all International Standards
Length: 3mm to 200mm
Socket Screw Size: M1.6 to M64 Custom Sizes
Heat Treatment: Annealing, Stress Relieving, Case Hardening, Quenching and Tempering.
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