5/16-18 x 1 Phillips Fillister Head Machine Screw Fully Threaded Zinc .343 It has a round head

It has a round head with a square neck that prevents the bolt from turning when tightened

These 6 x 2 3/4 Phillips Bugle Head Coarse Thread Drywall Screws with Black Phosphate Particle Board are designed for superior holding power in drywall applications

It is compliant with DFAR regulations and is made in the USA

they sit flush with the surface for a clean and professional finish

5/16-18 x 1 Phillips Fillister Head Machine Screw Fully Threaded Zinc .343 It has a round head5 16 18 x 1 Phillips Fillister Head Machine Screw Fully Threaded Zinc This screw is made of steel and has a zinc finish. It has a Phillips drive and a fillister head. The screw is fully threaded and has a length of 1 inch. It is commonly used in a variety of applications, including construction, automotive, and manufacturing.