{"product_id":"imscrews-5-16-18-x-3-carriage-bolts-304-stainless-steel-18-8-full-thread-structural-fasteners-for-4x4-posts-decks-timber-construction-20-pcs-size-5-16-18-x-3","title":"IMSCREWS 5\/16-18 x 3 Carriage Bolts, 304 Stainless Steel (18-8), Full Thread Structural Fasteners for 4x4 Posts, Decks \u0026 Timber Construction, 20 PCS - size: 5\/16\"-18 x 3\"","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustrial 3 Penetration: Expertly designed for through-bolting thick timbers, such as joining two 2x4s (3 total) or securing heavy-duty brackets to structural 4x4 posts.\u003c\/li\u003e\n\u003cli\u003eReinforced 5\/16 Strength: The 5\/16 shank offers a significant boost in load-bearing and shear resistance over standard 1\/4 bolts, ensuring safety in structural applications.\u003c\/li\u003e\n\u003cli\u003eMarine-Grade 304 Stainless: Forged from 18-8 (304) stainless steel, providing superior rust protection in coastal environments, humid gardens, and with treated lumber.\u003c\/li\u003e\n\u003cli\u003eTamper-Resistant Safety Head: The smooth round head offers a clean finish without sharp edges—ideal for public benches, playgrounds, and child-safe backyard structures.\u003c\/li\u003e\n\u003cli\u003eSelf-Locking Square Neck: The precision square shoulder bites firmly into wood fibers, locking the bolt so you can easily tighten the nut with one wrench from the opposite side.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 5\/16\"-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\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\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":48526673936642,"sku":"B0F2F4DFFZ-size-5-16-18-x-3","price":33.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/2534\/0418\/files\/316Szqlv0yL_b1c3010b-6e6b-42c9-a0c9-ffd86dedc716.jpg?v=1789794678","url":"https:\/\/mrovanta.com\/products\/imscrews-5-16-18-x-3-carriage-bolts-304-stainless-steel-18-8-full-thread-structural-fasteners-for-4x4-posts-decks-timber-construction-20-pcs-size-5-16-18-x-3","provider":"MROVanta","version":"1.0","type":"link"}