ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Burgundy, Pkg 100 Common Nails the FPHSD features a self-drilling

the FPHSD features a self-drilling point that eliminates predrilling and a coarse-threaded shank for strong engagement into wood

New deck builds and structural retrofits

Deck Framing: Provides strong

facilitates easier penetration

ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Burgundy, Pkg 100 Common Nails the FPHSD features a self-drillingThe 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