8-15 x 1/2 Phillips Full Contour Truss Self Tapping Scr Type A Fully Thrd Black Zinc AQPB The bolt has a square

The bolt has a square head and a pointed tip

This 10-32 x 7/8 Phillips round machine screw is fully threaded and made of zinc

These 5-40 x 1 1/2 Slotted Round Machine Screws are fully threaded and made of zinc-plated steel

The truss head is designed to provide a flush finish when the screw is driven into a surface

8-15 x 1/2 Phillips Full Contour Truss Self Tapping Scr Type A Fully Thrd Black Zinc AQPB The bolt has a squareThese 8 15 x 1 2 Phillips Full Contour Truss Self Tapping Screws Type A Fully Threaded Black Zinc are designed for use in metal framing applications. They have a sharp point that easily penetrates metal, and a full thread that provides a strong hold. The Phillips drive head allows for easy installation with a standard screwdriver. These screws are made of durable black zinc plated steel for corrosion resistance.