3mm-0.5 x 16mm Black Oxide Class 10.9 Steel Coarse Thread Button Head Hex Socket Cap Screws

Diameter: 3mm Length: 16mm Material: Steel Finish: Black Oxide Head Style: Button (Hex) Thread Size: 0.5mm (Coarse) Thread Length: Full Hardness: Class 10.9 Type: Socket Cap Screw Specifications: ISO 7380 A socket cap screw is a type of cap screw with a hexagonal recessed drive. A hex key is required to tighten or loosen a socket screw. Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.