For heavy duty wood-to-wood connections in treated or untreated lumber. Multipurpose/Truss To Top Plate Comparable to 3/8" Lag Screws Application: Starborn Structural H19 screws are designed for wood-to-wood connections in a variety of applications including decking, fencing, pergolas, landscape timbers, timber framing, and more. They are fully tested and code compliant alternatives to traditional lag screws and through-bolts, with no pre-drilling required. Structural H19 screws feature a hex washer head for maximum drivability, a unique Tri-Forge® point for reduced driving torque, and a high-adhesion exterior grade coating. The 6″ screw is ideal for truss or rafter to top plate connections and is a code compliant alternative to toe-nail connections, metal hurricane ties, and seismic clips. Features: IRC/IBC code compliant No pre-drilling Comparable to 3/8″ lag screws 0.19″ shank diameter 5/16″ hex head for maximum drivability Tri-Forge® Point provides a fast star, minimal splitting, and reduced driving torque Speed-Knurl™ reduces friction on the unthreaded shank for faster installation Black exterior grade coating has high-adhesion and is an ACQ approved alternative to hot-dip galvanized coatings