3/8-16 x 1 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An PW37 They have a square flat

They have a square flat head and are designed for use in a variety of applications

- Thread cutting design creates its own threads in soft materials

These 8 x 2 1/4 Phillips Bugle Head Coarse Thread Sharp Point Deck Screws Dacrotized are designed for exterior use and provide superior holding power in wood-to-wood applications

minimizing splitting

The screw is 1 3/4 inches long and has a diameter of 5-40

3/8-16 x 1 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An PW37 They have a square flat3 8 16 x 1 1 2 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An This screw is a 3 8 16 x 1 1 2 inch fully threaded screw with an un slotted indented hex washer head. It is a Type F screw, meaning it has a sharp point and is designed for use in metal. The screw is made of steel and has a zinc plated finish for corrosion resistance.