5/16-20 x 4 Phillips Flat Self Tapping Screw Type A Fully Threaded Zinc NR8 The Phillips drive type requires

The Phillips drive type requires a Phillips head screwdriver to install or remove

The 1/2-13 x 5/8 Hex Cap Screw Grade 8 Yellow Zinc is a high-strength fastener designed for use in demanding applications

The 1/2-13 x 3 1/2 Hex Cap Screw 316 Stainless Steel is a high-quality fastener designed for demanding applications

This reversible lock nut features a hex shape for easy installation and removal

These 10-16 x 4 Slot Ind HWH 1/4" Across The Flats F/T Self Piercing Scr Needle Point Zinc are designed for use in industrial applications

5/16-20 x 4 Phillips Flat Self Tapping Screw Type A Fully Threaded Zinc NR8 The Phillips drive type requiresThese 5 16 20 x 4 Phillips flat self tapping screws are Type A fully threaded screws made of zinc. They have a Phillips drive and a flat head. These screws are designed for use in metal applications and are self tapping, meaning they can create their own threads as they are driven into the material. They are fully threaded, which means that the threads extend the entire length of the screw. The zinc coating provides corrosion resistance.