The function of the hollow gecko is the same as that of the screw. It is used when self-tapping screws and expansion screws are not suitable. For example, in the light steel frame partition wall ha...
The production process of the tooth bar is the simplest, wire drawing, blanking, chamfering, typing, heat treatment, thread rolling, surface treatment
If you have the strength, please refer to...
Standard fasteners are divided into ten categories, and the selection should be determined according to the use occasions and functions of standard fasteners.
Determine category
1. Bolt: The bolt i...