{"product_id":"lag-screws-3-in-14-x-3-structural-wood-screws-heavy-duty","title":"Lag Screws 3 in #14 x 3 Structural Wood Screws - Heavy Duty","description":"\u003cp\u003eIn this review the focus is on the LIONMAX Lag Screws 3 in #14 x 3, a 300-piece pack aimed at builders and serious DIYers who need heavy duty fasteners for timber work. The bottom line: these lag screws are built for strength and corrosion resistance, making them a solid choice for decks, timber framing and outdoor structures where a long-lasting fastener matters. The review highlights durability, ease of driving with a T30 star bit and the time saved by the type 17 self-tapping point.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions \u0026amp; Strength:\u003c\/strong\u003e The 0.25 in thread diameter and 3 in length are designed for structural timber joins, providing solid shear and pullout resistance when paired with proper beams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Treated Steel:\u003c\/strong\u003e Heat treatment gives the screws higher tensile strength so they behave like true lag bolts in heavy load applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Corrosion Coatings:\u003c\/strong\u003e Double coatings that passed a 1000 hour salt spray test offer reliable rust protection for outdoor use and coastal projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnurl Thread \u0026amp; Self-Tapping:\u003c\/strong\u003e The knurled shank and deep threads reduce drill torque and allow easier penetration into wood while the type 17 point often removes the need for a pilot hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified Truss Washer Head \u0026amp; Star Drive:\u003c\/strong\u003e The washer head gives a neat flush finish and the T30 star drive reduces cam-out for safer, faster installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Pack Convenience:\u003c\/strong\u003e A 300-PCS quantity covers larger projects and reduces trips to supply stores during construction runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese lag screws are well suited to contractors, deck builders and experienced DIYers handling exterior wood projects such as deck framing, log construction, laminated beams and timber framing. The size and strength make them a practical choice when lag bolt performance is required without sourcing specialty hardware.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include people needing stainless steel for long-term marine submersion or those who require metric fasteners; this product is a black coated, heavy duty steel screw intended for wood, not stainless applications or non-wood substrates.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStrong, heat treated steel offers excellent holding power for structural woodwork.\u003c\/li\u003e\n\u003cli\u003eDurable double anti-corrosion coat stands up well to outdoor exposure and salt spray conditions.\u003c\/li\u003e\n\u003cli\u003eSelf-tapping type 17 point and knurled shank speed installation and lower bit torque needs.\u003c\/li\u003e\n\u003cli\u003eWasher head and T30 star drive give a clean finish and reduce slipping during driving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report occasional difficulty with star bit stripping, so careful bit selection and proper drivers are recommended.\u003c\/li\u003e\n\u003cli\u003eBlack coated steel is not a substitute for marine-grade stainless in continuous salt-water immersion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Diameter\u003c\/td\u003e\n\u003ctd\u003e0.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Diameter\u003c\/td\u003e\n\u003ctd\u003e0.55 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Type\u003c\/td\u003e\n\u003ctd\u003eT30 Star Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHeat treated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eDouble anti-corrosion coating, 1000 hour salt spray tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e300 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone building decks, log work or heavy timber framing who wants strong, rust-resistant fasteners at a good value, these 3 in #14 lag screws deliver dependable performance and installation speed. They combine heat treated strength, effective corrosion protection and a user-friendly star drive, making them a practical choice for most outdoor wood construction tasks.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these screws need pilot holes?\u003c\/strong\u003e\u003cbr\u003eOften no; the type 17 notched point and knurled shank let them self-tap into many timbers, though very hard woods may still benefit from pilot holes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat driver is required?\u003c\/strong\u003e\u003cbr\u003eUse a T30 star bit for best engagement and to minimize stripping when driving these screws.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre they corrosion resistant for outdoor use?\u003c\/strong\u003e\u003cbr\u003eYes, the double coating passed a 1000 hour salt spray test, offering strong protection for exterior and coastal projects, though not the same as marine-grade stainless for constant immersion.\u003c\/p\u003e","brand":"LIONMAX","offers":[{"title":"Default Title","offer_id":48614981927131,"sku":"B0CRH53CYX","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/510Uvc3nBHL._SL1500.jpg?v=1778394311","url":"https:\/\/gearmusthave.com\/products\/lag-screws-3-in-14-x-3-structural-wood-screws-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}