{"product_id":"imscrews-5-16-x-5-1-2-hex-head-lag-screws-304-stainless-steel-partially-threaded-extra-long-wood-bolts-for-structural-framing-5-pcs","title":"IMSCREWS 5\/16  x 5-1\/2  Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Extra-Long Wood Bolts for Structural Framing, 5   pcs","description":"\"\u003cstrong\u003eIMSCREWS 5\/16 x 5-1\/2 Heavy-Duty Lag Screws - 304 Stainless Steel (5 pcs)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eExtreme Structural Depth for Large Timber\u003c\/strong\u003e\u003cbr\u003eOur 5.5-inch lag bolts are built for the most substantial timber-to-timber connections. The 5\/16 diameter provides industrial-grade shear strength, making these the professional choice for securing heavy 4x4 or 4x6 headers to structural 6x6 posts in pergolas, pavilions, and heavy-duty deck framing.\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 creates a gap-free, rock-solid joint, eliminating the bridging effect common in extra-long full-thread screws for a professional-grade finish.\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 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\u003e1\/2 hex socket\u003c\/strong\u003e or wrench.\u003cbr\u003e\u003cstrong\u003e¡ñ Pre-drilling:\u003c\/strong\u003e Mandatory for this extreme length. Use a 3\/16 bit for softwoods or 7\/32 bit for hardwoods to prevent timber splitting.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 5-1\/2 length?\u003c\/strong\u003e Optimized for passing through 3.5 (4x) lumber with a massive 2 thread anchor in the base post.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e- Size: 5\/16 x 5-1\/2 \u003cbr\u003e- Thread: Partially Threaded (Max Clamping)\u003cbr\u003e- Material: 304 Stainless Steel\u003cbr\u003e- Drive: 1\/2 Hex Head\u003cbr\u003e- Qty: 5 pcs\"\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eULTIMATE COMPRESSION Partial thread design allows the shank to bypass outer boards, pulling multi-layer timbers together for a professional, gap-free structural joint.\u003c\/li\u003e\n\u003cli\u003eDEEP-CORE ANCHORING The 5.5  reach is optimized for connecting thick beams to posts, providing massive withdrawal resistance and elite shear strength.\u003c\/li\u003e\n\u003cli\u003e304 INDUSTRIAL SHIELD Forged from premium 304 (18-8) stainless steel to endure humid timber cores and prevent rust staining in cedar, redwood, or ACQ lumber.\u003c\/li\u003e\n\u003cli\u003eSTABLE TORQUE DRIVE Robust hex head fits standard 1\/2  socket drives, delivering maximum torque transfer for controlled seating in dense structural timbers.\u003c\/li\u003e\n\u003cli\u003eTECHNICAL SPECIFICATION To ensure safety and prevent splitting, pre-drilling a pilot hole (3\/16  for softwoods, 1\/4  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 B0F21B16LC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0657\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5\/16\" x 5-1\/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 5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034541564070,"sku":"B0F21B16LC","price":7.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/516eb0iJmGL.jpg?v=1787035633","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-5-16-x-5-1-2-hex-head-lag-screws-304-stainless-steel-partially-threaded-extra-long-wood-bolts-for-structural-framing-5-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}