{"product_id":"imscrews-1-4-x-4-hex-head-lag-screws-304-stainless-steel-partially-threaded-structural-wood-bolts-for-4x4-posts-framing-20-pcs","title":"IMSCREWS 1\/4  x 4  Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Structural Wood Bolts for 4x4 Posts \u0026 Framing, 20   pcs","description":"\u003cp\u003e\"\u003cstrong\u003eIMSCREWS 1\/4 x 4 Heavy-Duty Lag Screws - 304 Stainless Steel (20 pcs)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eExtra-Long Reach for Structural Wood\u003c\/strong\u003e\u003cbr\u003eEngineered for deep penetration in heavy timber. Ideal for securing thick posts, landscape timbers, or mounting heavy brackets to structural beams. The 4-inch length provides elite stability for multi-layer wood construction.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eThe Power of Partial Threading\u003c\/strong\u003e\u003cbr\u003eOur \u003cstrong\u003epartially threaded shank\u003c\/strong\u003e allows the bolt to spin freely in the outer board, drawing components into a gap-free, vise-like joint. This design is superior to full-thread screws for joining thick lumber, as it eliminates the bridging effect.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e304 Stainless Protection\u003c\/strong\u003e\u003cbr\u003eForged from premium 18-8 (304) Stainless Steel. compatible with \u003cstrong\u003eACQ pressure-treated lumber\u003c\/strong\u003e. Resists rust in humid areas and prevents unsightly rust streaks on cedar or redwood framing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e¡ñ Tools:\u003c\/strong\u003e Fits standard \u003cstrong\u003e7\/16 hex socket\u003c\/strong\u003e.\u003cbr\u003e\u003cstrong\u003e¡ñ Pre-drilling:\u003c\/strong\u003e Use 3\/32 bit for softwoods or 5\/32 for hardwoods to prevent splitting.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 4 length?\u003c\/strong\u003e Optimized for passing through 2 or 3 thick sections with deep-core thread engagement.\u003cbr\u003e\u003cstrong\u003e¡ñ Marine use?\u003c\/strong\u003e Highly resistant in freshwater and humid coastal zones.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e- Size: 1\/4 x 4 \u003cbr\u003e- Thread: Partially Threaded\u003cbr\u003e- Material: 304 Stainless Steel\u003cbr\u003e- Drive: 7\/16 Hex Head\u003cbr\u003e- Qty: 20 pcs\"\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDEEP STRUCTURAL ANCHORING The 4-inch length is engineered for heavy-duty timber-to-timber connections, providing deep fiber engagement for deck posts, pergolas, and structural framing.\u003c\/li\u003e\n\u003cli\u003eENHANCED CLAMPING DESIGN  Featuring a partially threaded shaft that allows the screw to pull large timber members tightly together, eliminating gaps for a more rigid, safe joint.\u003c\/li\u003e\n\u003cli\u003eHIGH-TORQUE 304 STAINLESS  Forged from premium 304 (18-8) stainless steel to prevent rust in high-moisture timber cores. Offers the toughness needed for long-distance driving without brittle snapping.\u003c\/li\u003e\n\u003cli\u003ePOWER TOOL COMPATIBLE  The heavy-duty hex head is built for 7\/16  power sockets. Designed to withstand the sustained torque required for deep 4-inch penetrations in dense wood.\u003c\/li\u003e\n\u003cli\u003eINSTALLATION GUIDELINE  For 4-inch structural drives, pre-drilling a pilot hole (3\/16  for softwoods, 7\/32  for hardwoods) is mandatory to ensure thread formation and prevent timber splitting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F21C7421\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0626\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/4\" 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 20\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034503618726,"sku":"B0F21C7421","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/5127F26r8IL_aad72b66-69e9-4478-ab01-3dad375e3c58.jpg?v=1787035592","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-1-4-x-4-hex-head-lag-screws-304-stainless-steel-partially-threaded-structural-wood-bolts-for-4x4-posts-framing-20-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}