The Woodbinder line of metal to wood pole barn screws from ST Fastening are created specifically to attach metal roof panels to wood substrates. These metal roofing screws include integrated EPDM washers, Micro-Bit drill points and a wide variety of powder-coated paint options to blend in perfectly with your metal roof.
Kwikseal Woodbinder - #10 diameter 1/4" Hex Washer Head fastener is designed to attach steel roofing and siding used in post-frame & residential metal roofing applications. Threads transition from fine to coarse to generate superior holding strength in various wood substrates. Sharp Point and pronounced lead thread consistently drills high tensile 29 & 26 gauge steel with no "point walking." EPDM rubber is vulcanized to a steel washer to form an excellent seal, even when driven at an angle. Kwikseal Stitch screws are also available.
ZXL Woodbinder - #10 diameter 5/16" Cupped Hex Washer Head ZAMAC 5 Zinc-Aluminum Alloy provides lifetime protection against red rust on the head along with high strength. Designed to fasten steel roofing to wood purlins used in post-frame construction and plywood or OSB used in residential construction. Washer face design helps to capture rubber EPDM washer even when driven at an angle. ZXL Stitch screws also available.
Eclipse Woodbinder - #10 diameter round head with T25 6-lobe recess driver provides an aesthetic, low-profile appearance on sidewall metal applications installed into wood girts. Undercut EPDM rubber washer provides a secure seal even when driven at an angle.
#14 Type 17 Woodbinder - #14 diameter 5/16" Hex Washer Head "Rescue Screw", this fastener will replace nails or smaller diameter fasteners that have loosened & backed out of steel roofing over time. EPDM rubber is vulcanized to the steel washer to prevent delamination and forms an excellent seal even when driven at an angle. This bonded sealing washer will completely cover existing hole, even if elongated by movement in the metal roof.
SS Woodbinder - #10 diameter 1/4" Cupped Hex Washer Head, this 304 Stainless Steel cupped head and washer provides lifetime protection in the harshest environments. 304 SS Woodbinder is an excellent choice for use in animal confinement applications or for aluminum liner panel applications. Type A point necessitates a pre-drilled hole in steel, but not aluminum.
ST-XL Woodbinder - #9 diameter 1/4" Cupped Hex Washer Head is designed as an alternative to the zinc-aluminum alloy head. It is also used to attach steel roofing used in post-frame and residential construction. The smaller cupped HWH provides an attractive low-profile appearance versus larger HWH fasteners. 304 Stainless Steel cap provides lifetime protection against red rust on the head and washer. ST-XL Stitch screws are also available.
NOTE - FOR PROPER APPLICATION, THE USE OF IMPACT DRIVERS ARE NOT RECOMMENDED ON ANY PAINTED FASTENER