#10 x 3-1/2" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1500 Stainless Steel Masonry Screws Residential and Commercial Floor Joists:

Residential and Commercial Floor Joists: Securely fastens joists to headers

Field-modified connections where fixed angles are not practical

Versatile compatibility: Suitable for metal roofs and other roofing materials

these screws make installation faster and easier while ensuring a clean

#10 x 3-1/2" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1500 Stainless Steel Masonry Screws Residential and Commercial Floor Joists:Daggerz brand drywall screws are a high quality screw designed for fastening sheet rock to studs. These screws feature a common bugle head that sits flush with the drywall once installed. Although these are labeled as drywall screws, they are often used for wood and other materials.