There are two types of the silver plated insert: free running insert and screw-locking insert. The silver layer in the surface can protect the insert from being corrode, and can be used as solid lubricants fasteners.
Since silver can resist the heat under 1600 Fahrenheit, it can be applied to the fasteners under high temperature to prevent oxidation of bolts and nuts.
Bashan silver plated insert is produced in the material of 321, SY90, and SY750 and other materials, the last two materials are nickle based heat-resistant stainless steel which can bear the heat of 850 C and 650C for long time.
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