Product Type： To pack screws

Product Name： To lock screw

Product Model：∮5（M4）*12MM

Description: to lock screw, and lock screw
Size: for 5 (M4) * 12MM
Material: A3 iron
Surface treatment: nickel, copper, bronze, plated with green red bronze, etc
Purpose: to lock, lockers, lock installed set screws, etc.

Description:
1 species: head hex nuts, cross sank a nut, nuts, etc
2, to lock nut with bamboo screws, etc.
3, production specifications: tooth tattoo can be customized M8MM M4 -