This product is customized for customers, the material is made of carbon steel, cold heading forming.

Meter groove screw is more labor - saving than cross groove, installation and tightening is less easy to slip.
The surface treatment is environmentally friendly blue zinc, electroplating between 5~8 m, salt spray up to 96H above.

Dongguan Tiansheng Co., LTD has been specialized in developing and producing non-standard fasteners for 12 years.
 

Welcome to customize your drawings/samples.