{"product_id":"imscrews-3-8-16-x-2-1-2-carriage-bolts-304-stainless-steel-18-8-round-head-square-neck-full-thread-pack-of-10","title":"IMSCREWS 3\/8-16 x 2-1\/2 Carriage Bolts, 304 Stainless Steel 18-8, Round Head \u0026 Square Neck, Full Thread, Pack of 10","description":"\u003cp\u003e\u003cstrong\u003eIMSCREWS 3\/8\"-16 x 2-1\/2\" Heavy-Duty 304 Stainless Steel Carriage Bolts (10 PCS)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSubstantial Support for Structural Timber Connections\u003c\/strong\u003e\u003cbr\u003eThe IMSCREWS 3\/8\" x 2-1\/2\" carriage bolt is engineered for projects requiring reliable shear resistance and stable structural support. With a robust 3\/8-inch diameter and a 2.5-inch length, these bolts are well-suited for high-load joints where stability is critical, such as joining multiple layers of dimensional lumber or reinforcing heavy-duty deck frames. Built for durability, they offer the stability necessary for long-term use in outdoor structures and industrial applications.\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 railings, play sets, and benches. 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: 3\/8\"-16 Coarse; Length: 2-1\/2\" (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 3\/8\" 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 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 shank offers maximum grip and enhanced fastening power along the entire length, making it ideal for structural framing and heavy-duty 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\u003eReliable Structural Strength: The 3\/8 diameter provides professional-grade shear resistance for medium-to-heavy wood projects. At 2.5 long, these are Well-suited for securing brackets to standard lumber.\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 and aesthetics for fencing, furniture, and playground equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F2F5LS2Z\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0850\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/8\"-16 x 2-1\/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 10\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034023534758,"sku":"B0F2F5LS2Z","price":16.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/619oV1ogmEL_391b09b7-926d-4a0e-a61f-e2623b979797.jpg?v=1787034892","url":"https:\/\/www.imscrews.com\/products\/imscrews-3-8-16-x-2-1-2-carriage-bolts-304-stainless-steel-18-8-round-head-square-neck-full-thread-pack-of-10","provider":"IMSCREWS","version":"1.0","type":"link"}