GRK Fasteners Screws 100 ea CUP\TUB
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Description
5/16 inches x 3-1/8 inches. T-30 bit included. Speedy lag bolt alternative with immense drawing power! AC257 treated lumber approved. IBC/IRC code compliant ESR No. 2442. Zero stripping: Recessed star drive. No splitting: CEE Thread. Low torque: W-cut thread. No pre-drilling: Engineered Zip-Tip. Star drive head has 6 point of contact to eliminate strip-out. CEE Thread: Enlarges hole to reduce splitting and allows material to settle neatly. Patented W-Cut thread design and Zip-Tip easily penetrates most material without drilling! Climatek all weather coating. Stronger than 1/2 inches diameter lag screws & twice as fast! Suggested uses: Lag screw alternative; Ledger board; Carrying beam; Deck posts; Playground equipment; Stair rails. RSS Shear Test Results: Fastener: 5/16 inches x 3-1/8 inches (Avg. Ultimate Load: 840 lbf); Fastener: 5/16 inches x 4 inches (Avg. Ultimate Load: 1196 lbf); Fastener: 5/16 inches x 5-1/8 inches (Avg. Ultimate Load: 1314 lbf); Fastener: 5/16 inches x 6 inches (Avg. Ultimate Load: 1326 lbf). Please note the above stated values are ultimate load, tested after ASTM D 1761, Wood to Wood connection; For construction design purposes an applicable safety margin should be applied; For safety factor requirements in your area contact your local building official, architect or engineer; Test conducted in wood with a specific gravity 0.42; Climatek coated screws evaluated with 0.40 pcf ACQ-D and 0.40 pcf CA-B.Warnings
Not ApplicableUPC
00772691122216