{"product_id":"imscrews-1-2-x-3-1-2-hex-head-lag-screws-304-stainless-steel-18-8-partially-threaded-extra-long-wood-bolts-for-deck-posts-structural-framing-10-pcs","title":"IMSCREWS 1\/2\" x 3-1\/2\" Hex Head Lag Screws, 304 Stainless Steel (18-8), Partially Threaded Extra-Long Wood Bolts for Deck Posts \u0026 Structural Framing, 10 PCS","description":"\"\u003cstrong\u003eIMSCREWS 1\/2\"\" x 3-1\/2\"\" Heavy-Duty Lag Screws - 304 Stainless Steel (10 PCS)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eExtreme Structural Anchoring\u003c\/strong\u003e\u003cbr\u003eWhen your build requires the highest level of stability, these 1\/2\"\" diameter lag bolts deliver industrial-grade shear strength. The 3.5-inch length is specifically designed for deep-core anchoring, making these the professional choice for securing heavy timber beams, ledger boards, or structural posts in large-scale outdoor projects.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVise-Like Clamping Power\u003c\/strong\u003e\u003cbr\u003eOur \u003cstrong\u003epartially threaded shank\u003c\/strong\u003e features a smooth upper section that allows the bolt to pull the outer timber tightly against the support structure. This \"\"clamping effect\"\" creates a high-tension, gap-free joint, eliminating the \"\"bridging\"\" effect common in long full-thread screws and ensuring a rock-solid structural connection.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e304 Stainless Weather Protection\u003c\/strong\u003e\u003cbr\u003eForged from premium 18-8 (304) stainless steel for elite rust protection in outdoor and humid environments. compatible with \u003cstrong\u003eACQ pressure-treated lumber\u003c\/strong\u003e. Prevents unsightly rust streaks and maintains structural safety on high-value cedar, redwood, or premium structural framing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e¡ñ Tools:\u003c\/strong\u003e Fits a standard \u003cstrong\u003e3\/4\"\" hex socket\u003c\/strong\u003e or wrench.\u003cbr\u003e\u003cstrong\u003e¡ñ Pre-drilling:\u003c\/strong\u003e Mandatory for this diameter and length. Use a 5\/16\"\" bit for softwoods or 3\/8\"\" bit for hardwoods to prevent timber splitting while ensuring maximum thread bite.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 3-1\/2\"\" length?\u003c\/strong\u003e Perfect for passing through 1.5\"\" or 2\"\" thick timber with a massive 1.5\"\"+ thread anchor in the base post for maximum pull-out resistance.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e- Size: 1\/2\"\" x 3-1\/2\"\"\u003cbr\u003e- Thread: Partially Threaded (Max Clamping)\u003cbr\u003e- Material: 304 Stainless Steel\u003cbr\u003e- Drive: 3\/4\"\" Hex Head\u003cbr\u003e- Qty: 10 PCS\"\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e[ULTIMATE LOAD CAPACITY] Featuring a massive 1\/2\" industrial diameter, these bolts provide superior shear resistance for heavy-duty timber frames and structural nodes.\u003c\/li\u003e\n\u003cli\u003e[ELITE CLAMPING POWER] The strategic partial thread design allows the smooth shank to bypass the outer member, drawing substrates together for a gap-free, rock-solid joint.\u003c\/li\u003e\n\u003cli\u003e[304 EXTERIOR SHIELD] Forged from premium 304 (18-8) stainless steel to prevent rust and corrosion in marine environments or ACQ pressure-treated lumber.\u003c\/li\u003e\n\u003cli\u003e[MAX-TORQUE HEX HEAD] Heavy-duty hex head fits standard 3\/4\" socket drives, delivering maximum torque transfer for secure installation in dense timber.\u003c\/li\u003e\n\u003cli\u003e[TECHNICAL SPECIFICATION] To ensure safety and prevent splitting, pre-drilling a deep pilot hole (5\/16\" for softwoods, 3\/8\" for hardwoods) is mandatory for this oversized diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F21D3WZP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0704\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\" x 3-1\/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 Hex\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":57034580361382,"sku":"B0F21D3WZP","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/41keW3A_9kL_72e00ce9-9a63-4d40-99ee-40205ae94385.jpg?v=1787035709","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-1-2-x-3-1-2-hex-head-lag-screws-304-stainless-steel-18-8-partially-threaded-extra-long-wood-bolts-for-deck-posts-structural-framing-10-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}