Wafer Head Self Tapping Screws & Tek Drilling Screws
Wafer head also called modified truss head. It has a big washer like head with philips drive.
The wafer head or modified truss head self tapping screws used to drill on hard wood or sheet metals with a sharp point or drilling point. Its made of AISI C1022 steel cold formed and heated with zinc coating for black oxide finish which have an excellent driling performance.
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