Self-Drilling Screws

Material:Carbon Steel
Drive:Phillips
Hea:Flat
Surface:    Zinc
Point:Drilling Point
Size：6*13

Self-drilling screws are the most commonly used sheet metal fasteners,  The tail of the self drilling metal screws has a self-drilling head in the shape ofa pointed tail.   It can be quickly automatically drilled and directly tightened and fixed; the construction efficiency of countersunk self drilling screws is extremely high; mainly used to connect wood to metal.