8-15 x 1 1/4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate NT6 The 1/4-20 size indicates that

The 1/4-20 size indicates that the nut has a diameter of 1/4 inch and a thread pitch of 20 threads per inch

and a bugle head for a clean

0 x 25 DIN 6921 10

and can be removed and reused as needed

while the coarse thread provides a secure hold in drywall

8-15 x 1 1/4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate NT6 The 1/4-20 size indicates thatThese 8 15 x 1 1 4 Phillips Bugle Head Fine Thread Drywall Screws are designed for use in drywall applications. They feature a black phosphate finish for corrosion resistance and a bugle head for a countersunk finish. The fine thread design provides a secure hold in drywall, and the Phillips drive allows for easy installation with a Phillips screwdriver. These screws are available in a pack of 1000 and are a great choice for any drywall project.