The combination screw is a screw with only one elastic cushion or only one flat cushion, or two combination pieces with only one tooth can also be arranged.
This product is customized for customers, the material is made of carbon steel, cold upsetting molding, and then covered with non-standard square mat for teeth rolling.
The surface treatment is environmentally friendly blue zinc, electroplating between 5~8 m, salt spray up to 96H above.
Dongguan Tiansheng Co., LTD., specializing in the development and production of non-standard fasteners for 12 years.
Welcome to customize your drawings/samples.
