7 x 1 1/2 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate D6923RA2 Its black oxide finish provides

Its black oxide finish provides excellent corrosion resistance

and round washer with teeth on its inner surface

This carriage bolt is commonly used in wood-to-wood connections

The nut has a Keps lock

5/8-18 Hex Jam Nut Grade 8 Zinc Yellow is a high-strength

7 x 1 1/2 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate D6923RA2 Its black oxide finish providesThese 7 x 1 1 2 inch Phillips bugle head fine thread drywall screws are made of steel with a black phosphate finish for corrosion resistance. They have a sharp point for easy penetration and a bugle head that countersinks into the drywall without damaging the surface. The fine thread provides a secure hold in drywall and other soft materials. These screws are ideal for hanging drywall, paneling, and other lightweight materials.