#6 x 1" Drywall Screw - Phillips Bugle Head - Black Phosphate - TEK Self-Drilling Point - Pkg of 100

#6 x 1-1/8" Drywall Screw - Phillips Bugle Head - Steel - Black Phosphate - Sharp Point - Pkg of 500 Coarse thread drywall screws have wide spaced threads and are standard for attaching drywall to studs.

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

Self-drilling (TEK) point drywall screws are used for thicker metal studs.

6X1 1/4 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.