MMC Shop

Starborn® Structural F23 screws are designed for heavy-duty framing 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. These versatile screws feature a low-profile flat head design that minimizes interference with connectors and finish materials, a unique Tri-Forge® point for reduced driving torque, and a high-adhesion exterior grade coating. Order one 4-pack per post. FREE SHIPPING ON THIS ITEM WITH $100.00 PURCHASE.

• IRC/IBC code compliant
• No pre-drilling
• Comparable to 1/2″ lag screws
• 23″ shank diameter
• T40 star drive head eliminates cam-out
• Tri-Forge® Point provides a fast start, 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