Hexagon Socket Set Screw
Supported specifications: M1.4 or more
Manufacturers: ANSCO, NSN, GOSHO, KKT, TKS, etc.
Material: Alloy steel
Strength class: 45H
Hardness: HRC45-50
Screw: JIS 6g
Surface treatment: black oxide coating
The hexagonal hole has a strict dimensional tolerance,and some manufacturers make t larger than the standard value to make it less slippery.