{"product_id":"imscrews-1-2-13-x-3-carriage-bolts-304-stainless-steel-18-8-heavy-duty-structural-fasteners-5-pcs","title":"IMSCREWS 1\/2-13 x 3 Carriage Bolts, 304 Stainless Steel (18-8), Heavy-Duty Structural Fasteners, 5 PCS","description":"\u003cp\u003e\u003cstrong\u003eIMSCREWS 1\/2\"-13 x 3\" Heavy-Duty 304 SS Carriage Bolts (5 PCS)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSubstantial Strength for Heavy Structural and Marine Projects\u003c\/strong\u003e\u003cbr\u003eThe IMSCREWS 1\/2\" x 3\" carriage bolt is engineered for high-load projects requiring maximum shear resistance. With a robust 1\/2-inch diameter and a precise 3-inch length, these bolts are the \u003cstrong\u003eideal\u003c\/strong\u003e choice for securing industrial brackets, dock hardware, and heavy timber-to-metal connections. The length is perfectly suited for joining two pieces of 1.5-inch actual thickness lumber while leaving sufficient thread for heavy-duty washers and nuts to ensure a \u003cstrong\u003esnug\u003c\/strong\u003e, structural connection. Built for longevity, they offer the stability required for outdoor pergolas and commercial timber framing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSuperior Durability and Safety-Focused Design\u003c\/strong\u003e\u003cbr\u003eForged from premium 18-8 (304) SS, these fasteners offer superior resistance to rust in coastal or humid environments. The smooth round head creates a \u003cstrong\u003eclean\u003c\/strong\u003e, low-profile look that reduces snagging hazards, making them a safe choice for playground sets and residential decks. The integrated square neck locks the bolt into place, preventing spinning and allowing for easy, one-sided tightening from the nut side.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQuick FAQ:\u003c\/strong\u003e\u003cbr\u003e- \u003cstrong\u003eDrill Bit Size?\u003c\/strong\u003e Use a \u003cstrong\u003e1\/2-inch drill bit\u003c\/strong\u003e for a \u003cstrong\u003esnug\u003c\/strong\u003e, structural fit.\u003cbr\u003e- \u003cstrong\u003eHow to Measure?\u003c\/strong\u003e Length is measured from \u003cstrong\u003eunder the head\u003c\/strong\u003e to the tip.\u003cbr\u003e- \u003cstrong\u003eWill they rust?\u003c\/strong\u003e No. \u003cstrong\u003e304 SS\u003c\/strong\u003e provides superior protection in outdoor environments.\u003cbr\u003e- \u003cstrong\u003eHeavy Duty?\u003c\/strong\u003e Yes. The 1\/2\" shank offers 25,000+ PSI shear strength for structural safety.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1\/2\"-13 Coarse; Length: 3\"; Material: 304 SS; Full Thread\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStructural 1\/2 Diameter: The robust 1\/2-inch shank provides high shear resistance for critical load-bearing joints in structural timber and heavy framing.\u003c\/li\u003e\n\u003cli\u003eStandard 3-Inch Reach: Sized for joining two 2x lumber sections (1.5 actual thickness each) or securing heavy-duty metal brackets to thick timber.\u003c\/li\u003e\n\u003cli\u003eCorrosion-Resistant 304 SS: Forged from 18-8 (304) stainless steel, offering high durability in humid outdoor environments and with treated lumber.\u003c\/li\u003e\n\u003cli\u003eSmooth Safety Head: The rounded, drive-free head minimizes snagging hazards while providing a professional, clean finish for visible installations.\u003c\/li\u003e\n\u003cli\u003eSelf-Locking Square Neck: The integrated square shoulder bites into wood fibers to prevent rotation, enabling efficient one-sided installation from the nut side.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F2F6C2N3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0899\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 5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034046963878,"sku":"B0F2F6C2N3","price":17.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/51ZaVl7AlSL_dee6cbce-5aaf-4d17-aa99-6be0fa7f3498.jpg?v=1787034951","url":"https:\/\/www.imscrews.com\/products\/imscrews-1-2-13-x-3-carriage-bolts-304-stainless-steel-18-8-heavy-duty-structural-fasteners-5-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}