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Amazon.com: 5/16-18 x 1" Button Head Socket Cap Screws, 304 Stainless Steel 18-8, Bright Finish, Coarse Thread Fully Threaded, Allen Hex Drive, 12 PCS : Industrial & Scientific
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5/16-18 x 1" Self-Drilling Screws/Unslotted/Hex Washer Head/Steel/Zinc / #3 Drill Point/Machine Screw Thread (Carton: 700 pcs): Amazon.com: Industrial & Scientific
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Hillman 5/16-in x 1-in Zinc-Plated Coarse Thread Hex Bolt (2-Count) in the Hex Bolts department at Lowes.com
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Hillman 5/16-in x 2-1/2-in Zinc-Plated Coarse Thread Hex Bolt in the Hex Bolts department at Lowes.com
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Amazon.com: 5/16-18 x 1-1/2" Flat Countersunk Head Socket Cap Screws, Full Thread, Machine Thread, Bright Finish, Hex Drive, 304 Stainless Steel 18-8 SS, 20 PCS : Industrial & Scientific
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5/16"-18 x 5/8" (FT) Coarse Thread Socket Button Head Cap Screw Stainless Steel 18-8 | ASMC Industrial
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Hillman 5/16-in- 18 x 1-in Phillips-Drive Machine Screws (5-Count) in the Machine Screws department at Lowes.com
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