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Feature
Use GRK Bit T-30
Self-Tapping W-cut thread design
Zip-Tip
Patented Climatek coating
Lag Screw Alternative
Description
Included with (100) GRK Fasteners 12225 5/16" x 4" 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.