Description:
Material: 12.9 grade carbon steel
☆These set screws are made from 12.9 grade carbon steel for high hardness, durability and long life. Oxidized surface treatment protects these set screws from rust and corrosion. Multi-purpose hex hole set screws for easy driving with hex wrench.
☆There are hexagonal fixed cups in different sizes to suit your needs in different situations.
Specifications: Example: M3 x 4 (100pcs) refers to a set of 100 screws 3mm in diameter, 4mm in length.