TRUFAST #12 PFC Fasteners are designed for attaching single-ply membrane systems to structural steel purlins up to 3/16” thick. Allow a minimum of 1” penetration through the purlin. Note: Install no faster than with an 1800 rpm scewgun for best drilling results.
Pro Fastening Systems, Inc. 44 E University Drive - Arlington Heights, Illinois 60004. Phone: 800-826-9070