ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Light Gray, Pkg 100 Cedar Trim Nails Concealed Flanges: The design includes

Concealed Flanges: The design includes hidden header flanges

Available in multiple lengths for different material thicknesses

wood and steel

HETAL is embedded 5 1/16"

ST Fastening #12 X 4-1/2" InsulDrill Metal Roofing Screw - Light Gray, Pkg 100 Cedar Trim Nails Concealed Flanges: The design includesThe 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