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The carriage bolts feature a domed head with a square section underneath the head that grips into the material—typically wood—preventing the bolt from turning when the nut is tightened.\u003c\/p\u003e\n\n\u003cp\u003eThe coarse threading on all variants ensures a strong grip in various materials, making them a versatile choice for maintenance, repair tasks, and industrial assembly. These fasteners meet standard specifications for Grade 2 \/ A307 steel, ensuring consistent performance and quality for your hardware needs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003cbr\u003e\nMaterial: Steel\u003cbr\u003e\nFinish: Zinc Plated\u003cbr\u003e\nHardness: Grade 2 \/ A307\u003cbr\u003e\nThread Size: 20 (Coarse)\u003cbr\u003e\nHead Styles: Hex (7\/16\" Wrench) and Carriage options available\u003c\/p\u003e\n\n\u003cp\u003eWhether you are working on automotive repairs, household fixes, or professional building projects, these zinc-plated fasteners provide the strength and dependability required for a professional finish.\u003c\/p\u003e","brand":"Fastener Line","offers":[{"title":"1\/2\" \/ 100 pcs.","offer_id":48700568928488,"sku":"00001","price":8.56,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ 10 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