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Amazon.com: 1/2" x 3" Stainless Hex Head Lag Bolt Screws, (10 Pack), 304 (18-8) Stainless Steel Coach Bolts/Large Screws for Wood with Plain Finish by Bolt Dropper : Industrial & Scientific
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How do we determine the material of a screw or a bolt? - Rainbow Hardware - Fasteners Specialist Made in Taiwan Since 1980.
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