#10 x 4" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1000 Stainless Steel Deck Screws the strap wraps or aligns

the strap wraps or aligns with the purlin as designed

Self-Starting Tip – Drives quickly and easily without pre-drilling

Whether you're installing mechanical supports

The Simpson Strong-Tie Crimp Drive anchor is an easy-to-install expansion anchor for use in concrete and grout-filled block

The Strong-Tie HHUS5

#10 x 4" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1000 Stainless Steel Deck Screws the strap wraps or alignsDaggerz 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.