Micro hexagon socket head cap screw

Strength Grade: 8.8 , 10.9, 12.9

Surface treatment: blackening treatment (other surface treatments are available on demand)

Strength Grade: A2-70 and the like

Surface treatment: Passivation Process

Manufacturer: ANSCO, NF, NSN, GOSHO, KKT, TKS, N, etc.

The hexagonal hole has a strict dimensional tolerance,and some manufacturers make t larger than the standard value to make it less slippery.

Please ask our customer service for  specifications not shown in the following table .