(500) 14-14 x 4 Self Drilling / Tapping TEK 3 Unslotted Indented Hex Washer Head Steel Zinc Plated Siding #137744$$Hardware

Zinc Plated #14 x 4" 500 Self-Drilling for metal to metal applications Hex washer head provides excellent driving stability Precision cutting drill point delivers high performance with less physical effort. Low corrosion resistance