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Grip-Rite 5/16 in. x 4 in. Structural Screw Dual Drive/Hex Washer Head (50-Piece/Pack) GRSSHW516450 - The Home Depot
Optimaxx PZ Countersunk Passivated Double Reinforced Wood Screw - 5 x 70mm - Pack of 200 | Wickes.co.uk
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Grk Fasteners Part # 112225 - Grk Fasteners 5/16 In. X 4 In. Star Drive Round Head Rugged Structural Wood Screw (45-Piece Per-Pack) - Grk Screws - Home Depot Pro
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Stainless 5/16 x 1" Hex Lag Screw (1" to 5" Lengths Available in Listing), 18-8 Stainless Steel, 25 Pieces (5/16 x 1")
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GRK 5/16-in x 3-1/2-in Double-barrier Lag Screw Alternative Exterior Wood Screws (45-Per Box) | 95307
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5/16" X 2" Stainless Hex Lag Bolt Screws for Wood, (10 Pack) 304 (18-8) Stainless Steel, by Fullerkreg
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GRK 5/16-in x 3-1/8-in Double-barrier Lag Screw Alternative Exterior Wood Screws (100-Per Box) in the Wood Screws department at Lowes.com
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Power Pro 47868 Lag Screws, 5/16" x 2-1/2", Star Drive Construction Lag Screws, Rust Resistant, Ceramic Coated Bronze, 1lb Box, 35 pcs : Amazon.co.uk: DIY & Tools
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