14-10 x 5/8 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc #4 and they have a square

and they have a square head for easy driving

and other applications where corrosion resistance is important

This 1 1/2-6 x 6 Hex Cap Screw Grade 5 Zinc Import is a high-quality fastener designed for use in a variety of applications

The 1/4" across the flats hex head provides a secure grip for driving

which means that it does not contain any hazardous substances

14-10 x 5/8 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc #4 and they have a square14 10 x 5 8 Phillips Pan Self Tapping Screw Type A Fully Threaded Zinc is a screw that is designed for use in metal applications. It has a Phillips pan head, which provides a wide bearing surface for driving and prevents cam out. The screw is self tapping, which means that it can create its own threads in the metal as it is driven in. It is fully threaded, which provides maximum holding power. The screw is made of zinc plated steel, which provides