{"product_id":"imscrews-1-2-13-x-4-carriage-bolt-304-18-8-stainless-steel-round-head-square-neck-full-thread-heavy-duty-structural-bolt-for-deck-timber-1pc","title":"IMSCREWS 1\/2-13 x 4 Carriage Bolt, 304 18-8 Stainless Steel, Round Head \u0026 Square Neck, Full Thread Heavy Duty Structural Bolt for Deck \u0026 Timber, 1pc","description":"\u003cp\u003e\u003cstrong\u003eIMSCREWS 1\/2\"-13 x 4\" Heavy-Duty 304 Stainless Steel Carriage Bolt (1 PC)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eIndustrial Strength for Structural Timber Connections\u003c\/strong\u003e\u003cbr\u003eThe IMSCREWS 1\/2\" x 4\" carriage bolt is engineered for heavy-duty projects requiring deep penetration and stable structural support. With a robust 1\/2-inch diameter and a 4-inch length, this bolt is well-suited for high-load joints, such as through-bolting 4x4 posts or reinforcing large-scale deck beams. Built for heavy framing, it offers the stability necessary for long-term use in docks, retaining walls, and industrial garden structures.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHigh Durability and Safety-Focused Design\u003c\/strong\u003e\u003cbr\u003eForged from 18-8 (304) stainless steel, this fastener is highly resistant to corrosion in outdoor environments and is compatible with pressure-treated lumber. The smooth round head offers a \u003cstrong\u003eclean\u003c\/strong\u003e appearance that reduces snagging hazards, making it an \u003cstrong\u003eideal\u003c\/strong\u003e choice for high-traffic areas like benches, railings, and play sets. 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: 4\" (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 salt air corrosion.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePro-Tips:\u003c\/strong\u003e\u003cbr\u003e1. Ensure the pilot hole is perfectly perpendicular for 4\" bolts to avoid alignment issues in thick timber.\u003cbr\u003e2. Pair with a heavy-duty flat washer on the nut side to distribute load and protect wood fibers.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePREMIUM 304 STAINLESS STEEL Crafted from high-quality 18-8 (304) stainless steel, this carriage bolt offers superior rust and corrosion resistance. Ideal for long-term outdoor, garden, and marine applications.\u003c\/li\u003e\n\u003cli\u003eADJUSTABLE FULL THREAD DESIGN The 4-inch length features a full thread design, providing maximum versatility for various material thicknesses. It ensures a secure fit whether joining thick beams or layered timber.\u003c\/li\u003e\n\u003cli\u003eINDUSTRIAL STRENGTH 1\/2 DIAMETER With a robust 1\/2 inch large diameter, this bolt provides massive shear strength and loading capacity. Engineered for structural projects where safety is paramount.\u003c\/li\u003e\n\u003cli\u003eSELF-LOCKING SQUARE NECK Features a smooth rounded mushroom head and a precision square neck that bites into wood to prevent spinning. This allows for easy one-sided tightening during installation.\u003c\/li\u003e\n\u003cli\u003eSPECIFICATIONS \u0026amp; NOTE Package includes 1 piece of 1\/2-13 x 4 carriage bolt only. Nut and washer are NOT included. We recommend pre-drilling a 1\/2 hole for a professional fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F2F877VN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"-13 x 4\"\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 1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034051944614,"sku":"B0F2F877VN","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/51ZaVl7AlSL_f09b36c3-1e9b-42d8-8f88-220fcf95f15d.jpg?v=1787034954","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-1-2-13-x-4-carriage-bolt-304-18-8-stainless-steel-round-head-square-neck-full-thread-heavy-duty-structural-bolt-for-deck-timber-1pc","provider":"IMSCREWS","version":"1.0","type":"link"}