ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Ash Gray, Pkg 100 S/HD - S/HDU Holdowns or fastening engineered lumber

or fastening engineered lumber

HVAC duct and exhaust mounting

and the screw count has been minimized through extensive testing

Syntec Flat Top Half Round PCD Cup Wheels are manufactured with premium grade polycrystalline diamonds

just drill the pilot hole and drive

ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Ash Gray, Pkg 100 S/HD - S/HDU Holdowns or fastening engineered lumberThe ST Fastening #12 InsulDrill Metal Roofing Screw is built to meet the demands of commercial and industrial insulation applications. Whether youre anchoring insulation boards to steel decks or securing metal panels to purlins, these screws are engineered for performance, strength, and longevity. Designed with precision threading and a sharp self drilling point, InsulDrill screws eliminate the need for pre drillingreducing labor time while delivering