{"product_id":"imscrews-1-2-x-3-1-2-hex-head-lag-screws-304-stainless-steel-partially-threaded-structural-wood-bolts-for-heavy-timber-docks-2-pcs","title":"IMSCREWS 1\/2  x 3-1\/2  Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Structural Wood Bolts for Heavy Timber \u0026 Docks, 2   pcs","description":"\u003cp\u003e\"\u003cstrong\u003eIMSCREWS 1\/2 x 3-1\/2 Heavy-Duty Lag Screws - 304 Stainless Steel (2 pcs)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eExtreme Strength for Heavy Structural Timber\u003c\/strong\u003e\u003cbr\u003eWhen 3\/8 screws fail to meet safety requirements, these 1\/2 diameter bolts provide the ultimate industrial fix. Perfect for heavy-duty timber framing, securing large deck ledgers, or mounting structural steel to 4x4 or 6x6 posts. The 3.5-inch length ensures deep-core anchoring for safety-critical load-bearing nodes.\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 spin freely in the outer board. This draws the components together into a gap-free, rock-solid joint, eliminating bridging gaps common in extra-long full-thread screws. Ideal for pulling warped lumber back into alignment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e304 Stainless Exterior Defense\u003c\/strong\u003e\u003cbr\u003eForged from premium 18-8 (304) Stainless Steel for ultimate weather resistance. compatible with \u003cstrong\u003eACQ pressure-treated lumber\u003c\/strong\u003e, preventing chemical corrosion and ensuring no unsightly rust streaks will ruin your high-value cedar, redwood, or deck framing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e¡ñ Tools Required:\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 massive diameter. Use a \u003cstrong\u003e5\/16 bit for softwoods\u003c\/strong\u003e or \u003cstrong\u003e3\/8 bit for hardwoods\u003c\/strong\u003e to prevent timber splitting.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 3.5 length?\u003c\/strong\u003e Optimized for passing through 1.5 or 2 timber with a deep 1.5 + thread anchor in the base post.\u003cbr\u003e\u003cstrong\u003e¡ñ Resilience:\u003c\/strong\u003e Rated for marine, coastal, and high-humidity environments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\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 (18-8)\u003cbr\u003e- Drive: 3\/4 Hex Head\u003cbr\u003e- Qty: 2 pcs\"\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEXTREME LOAD BEARING  The massive 1\/2-inch diameter provides industrial-grade shear strength. Specifically designed for securing heavy-duty dock cleats, post bases, and main structural beams.\u003c\/li\u003e\n\u003cli\u003eOPTIMIZED CLAMPING FORCE  Featuring a partially threaded design that allows the smooth shank to pass through the outer board, drawing thick timber pieces together with bolt-level pull.\u003c\/li\u003e\n\u003cli\u003e304 CORROSION DEFENSE  Forged from premium 304 (18-8) stainless steel to prevent rust deep within timber cores. Compatible with ACQ pressure-treated lumber for high-moisture exterior use.\u003c\/li\u003e\n\u003cli\u003eINDUSTRIAL DRIVE INTERFACE  Built with an oversized hex head for 3\/4  power sockets. Designed to handle the extreme torque required for deep 3-1\/2 inch structural penetrations.\u003c\/li\u003e\n\u003cli\u003eMANDATORY TECHNICAL GUIDELINE  To prevent catastrophic timber splitting with this massive 1\/2  bolt, pre-drilling a pilot hole (5\/16  for softwoods, 11\/32  for hardwoods) is mandatory.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F21CHKB7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0702\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 2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034580295846,"sku":"B0F21CHKB7","price":7.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/41keW3A_9kL_285d3ad6-9193-4f83-bece-32e9884b2ec3.jpg?v=1787035707","url":"https:\/\/www.imscrews.com\/products\/imscrews-1-2-x-3-1-2-hex-head-lag-screws-304-stainless-steel-partially-threaded-structural-wood-bolts-for-heavy-timber-docks-2-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}