{"product_id":"imscrews-1-2-13-x-3-carriage-bolts-304-stainless-steel-18-8-round-head-square-neck-full-thread-pack-of-2","title":"IMSCREWS 1\/2-13 x 3 Carriage Bolts, 304 Stainless Steel 18-8, Round Head \u0026 Square Neck, Full Thread, Pack of 2","description":"\u003cp\u003e\u003cstrong\u003eIMSCREWS 1\/2\"-13 x 3\" Heavy-Duty 304 Stainless Steel Carriage Bolts (2 PCS)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eIndustrial Strength for Structural Timber Connections\u003c\/strong\u003e\u003cbr\u003eThe IMSCREWS 1\/2\" x 3\" carriage bolt is engineered for projects requiring high shear resistance and maximum structural support. With a robust 1\/2-inch diameter and a versatile 3-inch length, these bolts are well-suited for high-load joints where stability is critical, such as securing heavy-duty metal brackets to timber or reinforcing structural deck frames. Built for durability, they offer the stability necessary for long-term use in marine docks, outdoor bridges, and heavy landscaping projects.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHigh Durability and Safety-Focused Design\u003c\/strong\u003e\u003cbr\u003eForged from 18-8 (304) stainless steel, these fasteners are highly resistant to corrosion in outdoor environments and are compatible with pressure-treated lumber. The smooth round head offers a \u003cstrong\u003eclean\u003c\/strong\u003e appearance that reduces snagging hazards, making them an \u003cstrong\u003eideal\u003c\/strong\u003e choice for public railings, heavy furniture, and play structures. The integrated square neck prevents rotation, allowing for easy, one-sided installation with a single wrench from the nut side.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e- Thread: 1\/2\"-13 Coarse; Length: 3\" (Under Head)\u003cbr\u003e- Material: 304 (18-8) Stainless Steel; Full Thread\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFAQ:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eQ: Drill bit size?\u003c\/strong\u003e A: A 1\/2\" bit provides a \u003cstrong\u003esnug\u003c\/strong\u003e, structural fit.\u003cbr\u003e\u003cstrong\u003eQ: Coastal safe?\u003c\/strong\u003e A: Yes, 304 SS offers high resistance to rust and salt air corrosion.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePro-Tips:\u003c\/strong\u003e\u003cbr\u003e1. Ensure the square neck is fully seated in the pre-drilled hole for a secure, anti-spin installation.\u003cbr\u003e2. Pair with a heavy-duty flat washer on the nut side to distribute structural load and protect wood fibers.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-Locking Square Neck: Features a precision-forged square neck beneath the head that bites into wood, preventing the bolt from spinning while the nut is tightened for a secure, one-sided install.\u003c\/li\u003e\n\u003cli\u003eFull Thread Maximum Grip: The fully threaded 3-inch shank offers maximum grip and enhanced fastening power along its entire length, making it ideal for deep structural timber and heavy DIY projects.\u003c\/li\u003e\n\u003cli\u003e304 Marine Grade Stainless: Forged from premium 18-8 (304) Stainless Steel for superior corrosion defense. Essential for outdoor decks, docks, and ACQ pressure-treated lumber applications.\u003c\/li\u003e\n\u003cli\u003eIndustrial Structural Strength: The robust 1\/2 diameter delivers massive shear resistance. At 3 long, these bolts are Well-suited for through-bolting thick posts, beams, and structural framing.\u003c\/li\u003e\n\u003cli\u003eSnag-Free Aesthetic Finish: The smooth, domed round head provides a professional, low-profile finish without sharp edges, ensuring safety for playground equipment, fencing, and furniture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F2F8PRTZ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0898\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"-13 x 3\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034046636198,"sku":"B0F2F8PRTZ","price":7.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/51ZaVl7AlSL_75c8f0b8-7f24-462b-8a0c-8d95d77820b0.jpg?v=1787034951","url":"https:\/\/www.imscrews.com\/products\/imscrews-1-2-13-x-3-carriage-bolts-304-stainless-steel-18-8-round-head-square-neck-full-thread-pack-of-2","provider":"IMSCREWS","version":"1.0","type":"link"}