{"product_id":"imscrews-3-8-16-x-2-1-2-carriage-bolts-304-stainless-steel-18-8-full-thread-structural-fasteners-for-decks-docks-heavy-framing-20-pcs","title":"IMSCREWS 3\/8-16 x 2-1\/2 Carriage Bolts, 304 Stainless Steel (18-8), Full Thread Structural Fasteners for Decks, Docks \u0026 Heavy Framing, 20 PCS","description":"\u003cp\u003e\u003cstrong\u003eIMSCREWS 3\/8\"-16 x 2-1\/2\" Heavy-Duty 304 Stainless Steel Carriage Bolts (20 PCS)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSubstantial Strength for Heavy Structural and Marine Projects\u003c\/strong\u003e\u003cbr\u003eThe IMSCREWS 3\/8\" x 2-1\/2\" carriage bolt is engineered for structural projects requiring significant load-bearing capacity and professional durability. With a robust 3\/8-inch diameter and a strategic 2.5-inch length, these bolts are the \u003cstrong\u003eideal\u003c\/strong\u003e choice for securing deck hardware, dock structural plates, and heavy timber-to-timber connections. The length is perfectly suited for passing through 1.5-inch actual thickness lumber while leaving sufficient thread for heavy-duty washers and nuts to ensure a \u003cstrong\u003esnug\u003c\/strong\u003e, permanent connection. Built for longevity, they offer the stability required for outdoor pergolas, heavy fencing, and commercial-grade timber framing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHigh Durability and Safety-Focused Design\u003c\/strong\u003e\u003cbr\u003eForged from premium 18-8 (304) stainless steel, these fasteners offer superior resistance to rust and corrosion in coastal or humid environments. The smooth round head creates a \u003cstrong\u003eclean\u003c\/strong\u003e, low-profile appearance that reduces snagging hazards, making them a safe choice for playground sets, park benches, and residential decks. The integrated square neck locks the bolt into place during installation, preventing spinning and allowing for easy, one-sided tightening from the nut side with a single wrench.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e- Thread Size: 3\/8\"-16 Coarse (UNC); Length: 2-1\/2\" (Under Head)\u003cbr\u003e- Material: 304 (18-8) Stainless Steel; Full Thread\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePro-Tips:\u003c\/strong\u003e\u003cbr\u003e1. Use a 3\/8\" drill bit to ensure a \u003cstrong\u003esnug\u003c\/strong\u003e, structural fit for the square neck.\u003cbr\u003e2. Pair with 304 SS flat washers and hex nuts to distribute structural loads and protect wood fibers.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavy-Duty 3\/8 Shank: Engineered for maximum structural integrity, the 3\/8-inch diameter offers industry-leading shear resistance, outperforming 1\/4 or 5\/16 bolts in high-load applications.\u003c\/li\u003e\n\u003cli\u003eVersatile 2.5-Inch Reach: The ideal length for securing 4x4 posts, joining double 2x lumber (with countersinking), or attaching heavy-duty iron brackets to structural beams.\u003c\/li\u003e\n\u003cli\u003eMarine-Grade 304 Stainless: Forged from 18-8 (304) stainless steel, ensuring long-term rust protection in outdoor gardens, poolside structures, and with ACQ treated lumber.\u003c\/li\u003e\n\u003cli\u003eTamper-Resistant Safety: The smooth domed head eliminates sharp edges and prevents exterior removal, making it Well-suited for child-safe playgrounds, public benches, and gates.\u003c\/li\u003e\n\u003cli\u003eSelf-Locking square Neck: The precision square shoulder bites deep into wood to prevent spinning, allowing you to tighten the nut from the back with a single wrench.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F2F8V9KQ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0851\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 20\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034023567526,"sku":"B0F2F8V9KQ","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/619oV1ogmEL_c123fb99-36e8-4ec9-ae0a-763d2bea02b4.jpg?v=1787034893","url":"https:\/\/www.imscrews.com\/products\/imscrews-3-8-16-x-2-1-2-carriage-bolts-304-stainless-steel-18-8-full-thread-structural-fasteners-for-decks-docks-heavy-framing-20-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}