{"product_id":"imscrews-1-2-13-x-5-1-2-carriage-bolts-304-stainless-steel-18-8-extended-structural-fasteners-5-pcs","title":"IMSCREWS 1\/2-13 x 5-1\/2 Carriage Bolts, 304 Stainless Steel (18-8), Extended Structural Fasteners, 5 PCS","description":"\u003cp\u003e\u003cstrong\u003eIMSCREWS 1\/2\"-13 x 5-1\/2\" Heavy-Duty 304 SS Carriage Bolts (5 PCS)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSubstantial Strength for Deep Structural and Marine Projects\u003c\/strong\u003e\u003cbr\u003eThe IMSCREWS 1\/2\" x 5-1\/2\" carriage bolt is engineered for high-load projects requiring maximum shear resistance and deep penetration. With a robust 1\/2-inch diameter and an extended 5.5-inch length, these bolts are the \u003cstrong\u003eideal\u003c\/strong\u003e choice for securing 4x4 timber posts (actual 3.5\") to additional structural beams or thick metal connectors. The length is perfectly calculated to pass through heavy materials while leaving sufficient thread for a \u003cstrong\u003esnug\u003c\/strong\u003e, permanent connection. Built for longevity, they offer the structural stability required for outdoor pergolas, heavy-duty fencing, 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 equipment 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: 5-1\/2\"; Material: 304 SS; Full Thread\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReinforced 1\/2 Shank: The 1\/2-inch diameter provides high shear strength for critical load-bearing joints in structural timber and heavy framing.\u003c\/li\u003e\n\u003cli\u003eExtra-Long 5.5-Inch Reach: Specifically designed to penetrate thick triple-layered 2x lumber (4.5 total) or join multiple heavy timber beams with ease.\u003c\/li\u003e\n\u003cli\u003eWeather-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 clean, professional finish for structural hardware.\u003c\/li\u003e\n\u003cli\u003eSelf-Locking Square Neck: The integrated square shoulder bites into wood 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 B0F2F63KQN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0914\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"-13 x 5-1\/2\"\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":57034085007526,"sku":"B0F2F63KQN","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/51ZaVl7AlSL_6f23986f-2774-470a-baa4-4294f96414fe.jpg?v=1787034972","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-1-2-13-x-5-1-2-carriage-bolts-304-stainless-steel-18-8-extended-structural-fasteners-5-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}