Introduction
There are many kids machine fastening being used for diffeent purposes.
Bolts and screws are used for diffrent purposes.
Bolts and screws are used to clamp or fasten machine parts together in such a manner that they cannnnnn be assembled or disassembled, readily.
A screw joint is mainly composed of two elements i.e. boly and nut.
The screw joints are used to assemble the parts, to hold parts for repair, to hold parts for inpection or hold the parts for manufacturing etc.
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