{"product_id":"imscrews-1-4-x-2-1-2-hex-head-lag-screws-304-stainless-steel-partially-threaded-structural-timber-bolts-10-pcs","title":"IMSCREWS 1\/4  x 2-1\/2  Hex Head Lag Screws, 304 Stainless Steel, Partially Threaded Structural Timber Bolts, 10   pcs","description":"\u003cp\u003e\"\u003cstrong\u003eIMSCREWS 1\/4 x 2-1\/2 Heavy-Duty Lag Screws - 304 Stainless Steel (10 pcs)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOptimized Reach for Timber Joining\u003c\/strong\u003e\u003cbr\u003eAn essential fastener for multi-layered wood projects. The 2.5-inch length is perfectly sized to pass through standard 1.5 dimensional lumber (like a 2x4) and provide a deep 1-inch thread anchor into the support post. Ideal for deck railings, heavy shelving, and outdoor play equipment.\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. This allows the bolt to pull the outer board tightly against the support beam without the threads biting prematurely in the top board. This creates a gap-free, rock-solid joint, preventing the bridging effect that often leaves connections loose when using full-thread screws at this length.\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. It resists rust in humid environments and prevents unsightly rust streaks on 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\u003e7\/16 hex socket\u003c\/strong\u003e or wrench.\u003cbr\u003e\u003cstrong\u003e¡ñ Pre-drilling:\u003c\/strong\u003e Recommended to prevent timber splitting. Use a 1\/8 bit for softwoods or 3\/16 bit for hardwoods.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 2-1\/2 length?\u003c\/strong\u003e It provides the perfect balance of deep penetration and structural clamping for 2x lumber applications.\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\/4 x 2-1\/2 \u003cbr\u003e- Thread: Partially Threaded (Max Clamping)\u003cbr\u003e- Material: 304 Stainless Steel (18-8)\u003cbr\u003e- Drive: 7\/16 Hex Head\u003cbr\u003e- Qty: 10 pcs\"\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePROFESSIONAL CLAMPING  The partially threaded design allows the smooth shank to pass through the outer timber, pulling boards together with elite force for a gap-free, rigid joint.\u003c\/li\u003e\n\u003cli\u003eIDEAL FOR 2x LUMBER  At 2.5 inches long, these screws provide the perfect anchoring depth for connecting 2x4s and 4x4 posts without the risk of over-penetration.\u003c\/li\u003e\n\u003cli\u003e304 EXTERIOR DEFENSE  Forged from premium 304 (18-8) stainless steel to prevent rust and staining in outdoor cedar or redwood projects. Compatible with ACQ treated lumber.\u003c\/li\u003e\n\u003cli\u003eSTABLE TORQUE TRANSFER  Precision-forged hex head fits 7\/16  sockets securely, offering far more stable torque transfer than Phillips heads for controlled, slip-free seating.\u003c\/li\u003e\n\u003cli\u003eMANDATORY PRE-DRILLING  To ensure joint integrity and prevent timber splitting, pre-drilling a pilot hole (3\/16  for softwoods, 7\/32  for hardwoods) is mandatory for these 1\/4  bolts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F21BXB8Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0616\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/4\" x 2-1\/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":57034493624486,"sku":"B0F21BXB8Q","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/41keW3A_9kL_07edb6ec-ed44-4fc7-acaf-82179b221ac4.jpg?v=1787035581","url":"https:\/\/www.imscrews.com\/products\/imscrews-1-4-x-2-1-2-hex-head-lag-screws-304-stainless-steel-partially-threaded-structural-timber-bolts-10-pcs","provider":"IMSCREWS","version":"1.0","type":"link"}