Products / TRUFAST #14 HD Bi-Metal Stainless Steel Roofing Fastener

The TRUFAST #14 HD Bi-Metal fastener is a 316 austenitic stainless steel roofing screw with a hardened carbon steel drill point and electro-zinc coating, for securing insulation, cover boards, base sheets and single-ply membranes to corrugated steel (18 to 24 ga.) and wood substrates. It has a #2 double flute self-drilling point and a tapered entry thread and is listed in six lengths from 1-1/2 in. to 10 in. The product page lists FM Global, Miami-Dade County, State of Florida #4500 and CE approvals.