Self Piercing, Self Tapping, Invincibox Up to 2 in.
Pan Head, Square Drive
Zinc Plated Steel
Zinc Plated Steel No. 8 x 1-1/2 in. Pan Head Square Drive Self-Drilling Screw, Package of 100
Self-drilling square drive pan head screws drill a hole and tap threads in one operation. The drilling operation removes metal and can be used with heavier gauge metals. Length is determined from the base of the fastener head.