Stud bolt caps generally require surface treatment. There are many types of bolt surface treatment, such as electroplating, blackening, oxidation, phosphating, electroless zinc flake coating treatment, etc. However, electroplated fasteners account for a large proportion of the actual use of fasteners.

 

The stud bolt anchor is more widely used in industries and fields such as automobiles, tractors, home appliances, instrumentation, aerospace, and communications.

 

When the bolt needs to be disassembled frequently, in order to protect the surface of the connected parts from being scratched, it is generally necessary to place the bolt and washer at the position of the bolt head.

 

Hex bolt sleeve refers to the fastener composed of head and screw. According to its material, it can be divided into iron bolts and stainless steel bolts.