{"product_id":"imscrews-5-16-x-4-hex-head-lag-screws-304-stainless-steel-partially-threaded-extra-long-wood-bolts-for-framing-decks-5-pcs","title":"IMSCREWS 5\/16  x 4  Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Extra-Long Wood Bolts for Framing \u0026 Decks, 5   pcs","description":"\"\u003cstrong\u003eIMSCREWS 5\/16 x 4 Heavy-Duty Lag Screws - 304 Stainless Steel (5 pcs)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eExtreme Penetration for Structural Timber\u003c\/strong\u003e\u003cbr\u003eOur 4-inch lag bolts are engineered for projects requiring maximum reach and anchoring depth. The robust 5\/16 diameter provides professional-grade shear resistance, making these ideal for securing thick timber beams, landscape timbers, or structural components to 4x4 and 6x6 posts.\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 beam. 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 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 deck 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 length. Use a 3\/16 bit for softwoods or 7\/32 for hardwoods to prevent timber splitting.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 4 length?\u003c\/strong\u003e Perfect for passing through 2 or 2.5 thick timber with a deep 1.5 + thread anchor in the base beam.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e- Size: 5\/16 x 4 \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\u003eDEEP-ANCHOR CLAMPING The 4  length with a partial thread allows the shank to bypass the outer board, pulling timbers together for a gap-free, rock-solid joint.\u003c\/li\u003e\n\u003cli\u003eSTRUCTURAL SHEAR STRENGTH At 5\/16  diameter, these bolts provide professional-grade lateral resistance for high-load beam and post connections.\u003c\/li\u003e\n\u003cli\u003e304 EXTERIOR DEFENSE Forged from 304 (18-8) stainless steel to prevent rust and corrosive staining in cedar, redwood, or ACQ pressure-treated lumber.\u003c\/li\u003e\n\u003cli\u003eHIGH-TORQUE PERFORMANCE Robust hex head ensures a secure 1\/2  socket fit, providing maximum torque transfer for controlled installation in dense hardwoods.\u003c\/li\u003e\n\u003cli\u003eTECHNICAL SPECIFICATION To ensure structural safety and prevent splitting, pre-drilling a pilot hole (7\/32  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 B0F21CH75R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0649\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5\/16\" 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 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":57034532815014,"sku":"B0F21CH75R","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/5127F26r8IL_6a8d084d-fdc7-45d4-8d59-cb6f5164b2e6.jpg?v=1787035624","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-5-16-x-4-hex-head-lag-screws-304-stainless-steel-partially-threaded-extra-long-wood-bolts-for-framing-decks-5-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}