Included with (50) GRK Fasteners 12235 5/16" x 6" T-30 RSS Rugged Structural Screws. The RSS Fasteners are Ideal for Carrying Beam, Playground Equipment, Ledger Board, Deck Posts, and Stair Rails. AC257 Treated Lumber Approv...

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Product Review

Included with (50) GRK Fasteners 12235 5/16" x 6" T-30 RSS Rugged Structural Screws. The RSS Fasteners are Ideal for Carrying Beam, Playground Equipment, Ledger Board, Deck Posts, and Stair Rails. AC257 Treated Lumber Approved (IBC/IRC Code Compliant ESR #2442). Made with a Climak All-Weather Cloating, No Pre-Drilling, Low Torque, and Recessed Star Drive.

  • Heavy Duty Lag Screw Alternative: Eliminates pre-drilling in most woods with Zip-Tip technology. Installs 3x faster than traditional lag screws
  • ESR-2442 Code Approved For Structural Applications: Engineered for professional-grade connections in heavy duty framing, multi-ply beams, and timber framing. Integrated washer head delivers maximum clamping force for zero-gap joints in LVL, LSL, and engineered lumber.
  • Advanced Corrosion Protection: Rust resistant Climatek coating provides exceptional durability for outdoor use and in pressure-treated lumber applications
  • W-cut Thread Design: Reduces installation torque by 40% for smoother, faster driving. CEE threads minimize splitting in dense hardwoods, engineered lumber, and laminated beams.
  • Precision Engineering: Star/Torx drive recess with 6 points of contact prevents stripping and minimizes wobble between screws and bits.

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