Simpson Strong-Tie #12 x 4-1/2" Square Drive Bugle Head Deck Screw - 316 Stainless Steel, Qty. 10 Flat Head Blue Masonry Screws making it a dependable choice

making it a dependable choice for year-round HVAC applications

Meets EN 13155 & ASME B30

Its spiral shank increases withdrawal resistance

supports flexible sling configurations

Proof-Tested: Individually tested to 2x WLL with certificate included for compliance

Simpson Strong-Tie #12 x 4-1/2" Square Drive Bugle Head Deck Screw - 316 Stainless Steel, Qty. 10 Flat Head Blue Masonry Screws making it a dependable choiceThe Simpson Strong Tie Bugle Head Square Drive Wood Screw is engineered for strength and clean results in decking applications. Made from 316 stainless steel for dependable corrosion resistance, these screws are perfect for cedar, redwood, and preservative treated woods. Type 316 stainless is the best choice for seaside or coastal environments where superior durability is essential. For smooth installation, the bugle head design allows flush