The #12 DP Roofing Fasteners are specifically engineered to secure insulation, coverboards, and base sheets to corrugated steel (16-22 gauge) and wood substrates. Featuring a #2 double flute self-drilling point and exclusive tapered entry thread design, they penetrate steel quickly and offer exceptional back-out resistance.
Must penetrate a minimum of 3/4 - 1 inch
Epoxy based coating to enhance corrosion resistance
Lengths from 1 1/4 to 8 inches