Starborn® Structural F23 Stainless screws are designed for wood-to-wood connections in coastal or severe corrosion environments, ideal for decks, docks, boardwalks, pergolas, fencing, piers, and more. These screws are thoroughly tested and code-compliant alternatives to traditional lag screws and through bolts, requiring no pre-drilling. The 4″ and 5″ lengths are specifically designed for code compliant deck ledger attachments.
FEATURES
IRC/IBC code compliant
No pre-drilling required
Comparable to 1/2″ lag screws
0.23″ shank diameter
T40 star drive head eliminates cam-out
Low Profile Flat Head minimizes interference
Speed-Knurl™ reduces driving torque
Type 17 cut-point for fast start and reduced splitting
ACQ-approved, suitable for coastal environments
CODE COMPLIANCE REPORTS
Fastener Properties, Design Value (DrJ TER 1703-05): 2-7/8″, 4″, 5″, 6″
Ledger and Ledger to Stud Applications (DrJ TER 1703-01): 4″ & 5″
Cladding and Attachment Through Foam Sheathing (DrJ TER 1703-04): 2-7/8″, 4″, 5″, 6″








