This material is made of high carbon steel, cold upsetting forming, the head is finished for post-processing turning, the thread can be customized according to the demand.
Surface treatment for the blue zinc plating, salt fog can be as high as more than 96 h, the surface of the screw thread is a little glue craft, point glue, is a kind of technology, also known as the glue, glue, glue, glue, etc., is the electronic glue, oil or other liquid daub, potting, drip into the product, make product paste, filling and sealing, insulation, fixed, smooth surface, and so on.
Dongguan Tiansheng Industrial Co., Ltd. specializes in r&d and production of non-standard fastening customized for 12 years.
You are welcome to customize the drawings or samples.