ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Light Gray, Pkg 100 Straight Shank Drill Bits Code Compliance: HU-series hangers are

Code Compliance: HU-series hangers are tested

Made from carbon steel with a zinc-plated finish

Simpson Strong-Tie Trim-Head Decking Screws are built for PVC and composite deck installations where appearance and durability matter most

See alternate installation for applications using the HTU26 on a 2x4 carrying member or HTU28 or HTU210 on a 2x6 carrying member for additional uplift capacity

ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Light Gray, Pkg 100 Straight Shank Drill Bits Code Compliance: HU-series hangers areThe 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