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GRK 5/16-in x 3-1/8-in Polymer Exterior Wood Screws (45-Per Box) in the Wood Screws department at Lowes.com
GRK RSS™ STRUCTURAL SCREWS
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Structural Screws vs. Lag Bolts Screws (DIY) | Family Handyman
3/8x4 in. GRK RSS Washer-Head Screw, Climatek, Star-Qty:50
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GRK Fasteners 3/8 in. x 8 in. RSS Star Drive Washer Head Alternative Lag Screw 96020 - The Home Depot
21 Screws per Order HandyPak 5/16 by 4-Inch Structural Screws GRK ICC-ESR-244 | eBay
GRK Fasteners RSS 12151 Structural Screw, 1/4 in Thread, ...
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GRK – Fasteners & Deck Screws - DecksDirect
GRK Fasteners #10 Star-Drive Round-Head Rugged Structural Screws | Home Hardware
