5/16-18 x 2 1/4 Phillips Flat Thread Cutting Screw Type F Fully Threaded Zinc 4-24 they feature a hex head

they feature a hex head for easy tightening and a zinc coating for corrosion resistance

and a self-drilling tip for easy installation

Secure your projects with our durable 3/8-24 x 1 1/2 Hex Cap Screw

1/4-20 x 2 Phillips Flt Underct Full Thread Self Drill Scr Machine Sc Thread Zinc & Bake are screws that are designed for use in metal applications

- **Diameter**: 6-20

5/16-18 x 2 1/4 Phillips Flat Thread Cutting Screw Type F Fully Threaded Zinc 4-24 they feature a hex head5 16 18 x 2 1 4 Phillips Flat Thread Cutting Screw Type F Fully Threaded Zinc This screw is a 5 16 18 x 2 1 4 Phillips flat thread cutting screw, Type F, and fully threaded. It is made of steel and has a zinc finish. The screw has a sharp point and a single flute thread. It is designed to be used in metal applications. The screw has a Phillips drive, which means that it can be driven with a Phillips screwdriver. The flat head of the screw sits flush