ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Koko Brown, Pkg 100 Simpson Quik Drive Replacement Parts Use the 1 1/4" screws

Use the 1 1/4" screws for attaching siding to panels

Code Listed: Code listed under IAPMO ER-124

Multi-Family Construction: Supports floor framing while preserving fire-rated assemblies between units

Key Features:

Its top-flange design allows for easy installation in both new builds and retrofits

ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Koko Brown, Pkg 100 Simpson Quik Drive Replacement Parts Use the 1 1/4" screwsThe 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