6-20X1/4 Square Truss Self Tapping Screw Type A B Fully Threaded Zinc (Pack Qty 5,000) BC-0604ABQT

Square Truss Self Tapping Screw Type A B Fully Threaded Zinc

For self starting in thin (.015-.050 thick) metal or resin-filled plywood. Recommended over a Type-A, particularly in brittle materials