Color zinc plating process on surface Thick carbon steel is coated with colorful zinc, which is beautiful and practical, has good rust resistance, is not easy to be corroded, and is widely used.
|
Clear thread High thread depth, no burr, uniform pitch, uniform stress in the fastening process, and no slippage.
|
Surface knurling treatment Knurling is clear and flat, and it is easy to fix.
|