Nylon Head Self Drilling Screw

Product Description: 

Screws are tools that utilize the physical and mathematical principles of inclined planes, circular rotation, 

and friction to gradually tighten objects and machine parts. Self-drilling screws are screws with a self-drilling head at the front.

 Self-drilling screws are a recent invention, also called drill screws. Screw is a general term for fasteners.

Applications:

 It is a type of screw, mainly used for fixing corrugated steel sheets on steel structures, 

and can also be used for fixing thin sheets in simple buildings. It cannot be used for metal-to-metal fastening.