6-18 x 1 5/8 Phillips Bugle Head Hi Low Drywall Screw Black Phosphate NF9C Its indented hex flange head

Its indented hex flange head provides a secure grip and prevents the screw from slipping during installation

Made from heat-treated steel and coated with zinc for corrosion resistance

this rivet nut is ideal for various applications

Ideal for use in pressure-treated lumber

6-18 x 1 5/8 Phillips Bugle Head Hi Low Drywall Screw Black Phosphate NF9C Its indented hex flange headThese 6 18 x 1 5 8 Phillips Bugle Head Hi Low Drywall Screws in Black Phosphate are designed for fast and easy installation of drywall to wood or metal studs. The sharp point and aggressive threads provide superior penetration and holding power, while the bugle head design countersinks the screw head below the drywall surface for a clean, professional finish. The black phosphate coating provides corrosion resistance and a durable, long lasting hold.