• 5/16 in. (7.9mm) structural screws for fastening ledger boards, multi-ply sawn and structural composite lumber beams, and other interior and exterior construction projects
• Replaces ½ in. lag screws in general construction projects
• Sharp point starts fast with no predrilling
• Slashes reduce splitting
• Large flat head maximizes pull-through holding power and finishes flush with work area
• Certified IRC / IBC code-compliant
• T-40 star drive reduces cam outs and excessive wear on bit
• Coated with our proprietary PROTECH Ultra 4 coating system, which features four layers that combine to provide the ultimate corrosion protection
• Multi-Ply Screws available in 2-⅞ in. (73mm), 4-½ in. (114.3mm), 6 in. (152.4mm), and 6-¾ in. (171.5mm) lengths
• Ledger + Multi-Ply Screws available in 3-½ in. (88.9mm), 4 in. (107.6mm), and 5 in. (127mm) lengths
• 10, 50, 250 ct
• T-40 bit included in every package

Structural Multi-Ply Assemblies
Deck Ledger Connections 5" to 5/16" Structural Screws
Deck Ledger Connections 3 1/2" & 4" to 5/16" Structural Screws