3/8-16X2 Six Lobe Flat Floor Board Screw Type F Black Phosphate, Pkg of 400

Coarse thread drywall screws have wide spaced threads and are standard for attaching drywall to studs.

8X3/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.

8X3 Phillips Flat Head with Nibs Deep Thread Wood Screw with Type 17 Point Black Ox. Type-17 used in decking materials including woods with medium density and composite materials. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.

8X3 1/2 Phillips Recess Bugle Hd Coarse Thread Drywall Scr Blk Phosphate Particle Board. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.

10X2 Phillips Recess Bugle Hd Coarse Thread Drywall Scr Blk Phosphate Particle Board. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.