{"product_id":"50pcs-hex-head-5-16-18x2-lag-bolts-stainless-steel-wood-screws-hex-head-screws","title":"50PCS Hex Head 5\/16\"-18x2\" Lag Bolts Stainless Steel Wood Screws Hex Head Screws","description":"\u003cstyle\u003e\n  .hdiy-product-section {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    box-sizing: border-box;\n  }\n  .hdiy-product-section * {\n    box-sizing: border-box;\n  }\n  .hdiy-product-section h2 {\n    font-size: 1.8rem;\n    margin: 1.5rem 0 0.75rem;\n    padding-bottom: 0.25rem;\n    border-bottom: 2px solid #e2e2e2;\n  }\n  .hdiy-product-section h3 {\n    font-size: 1.4rem;\n    margin: 1.2rem 0 0.5rem;\n  }\n  .hdiy-product-section p {\n    line-height: 1.5;\n    margin: 0 0 1rem;\n  }\n  \/* 修复重复项目符号：完全移除原生标记，仅保留自定义对勾 *\/\n  .hdiy-feature-list {\n    list-style: none;\n    margin: 0 0 1.5rem;\n    padding: 0;\n  }\n  .hdiy-feature-list li {\n    position: relative;\n    padding-left: 1.8rem;\n    margin-bottom: 0.75rem;\n    line-height: 1.4;\n    list-style-type: none; \/* 确保无原生符号 *\/\n  }\n  .hdiy-feature-list li::before {\n    content: \"✓\";\n    position: absolute;\n    left: 0;\n    color: #2c6e2c;\n    font-weight: bold;\n  }\n  .hdiy-table-wrapper {\n    overflow-x: auto;\n    margin: 1rem 0 1.5rem;\n  }\n  .hdiy-specs-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.95rem;\n    min-width: 500px;\n  }\n  .hdiy-specs-table th,\n  .hdiy-specs-table td {\n    border: 1px solid #ddd;\n    padding: 0.6rem 0.8rem;\n    text-align: left;\n    vertical-align: top;\n  }\n  .hdiy-specs-table th {\n    background-color: #f5f5f5;\n    font-weight: 600;\n    width: 35%;\n  }\n  .hdiy-faq-item {\n    margin-bottom: 1rem;\n    padding-bottom: 0.5rem;\n    border-bottom: 1px solid #eee;\n  }\n  .hdiy-faq-question {\n    font-weight: 700;\n    margin: 0 0 0.3rem;\n    font-size: 1rem;\n  }\n  .hdiy-faq-answer {\n    margin: 0;\n    line-height: 1.5;\n  }\n  @media (max-width: 640px) {\n    .hdiy-specs-table th,\n    .hdiy-specs-table td {\n      padding: 0.5rem;\n    }\n    .hdiy-product-section h2 {\n      font-size: 1.5rem;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hdiy-product-section\"\u003e\n  \n  \u003c!-- Overview --\u003e\n  \u003ch2\u003e🔩 Heavy-Duty 3\/8\" x 1-1\/2\" Stainless Steel Hex Lag Screws – 50-Piece Set\u003c\/h2\u003e\n  \u003cp\u003eWhether you're building a deck, securing ledger boards, or assembling outdoor furniture, these 3\/8\" x 1-1\/2\" hex head lag bolts give you the holding power you need. Made from A2 (304) stainless steel, they resist rust even in humid or coastal environments. The external hex head lets you drive them with a wrench or socket without stripping, and the sharp point bites straight into wood — no pilot hole required for many softwoods. This 50-pack comes in a labeled storage box, so you always have the right fastener at hand.\u003c\/p\u003e\n  \n  \u003c!-- Features (fixed bullet style – no duplication) --\u003e\n  \u003ch2\u003e✨ Why These Hex Head Wood Screws Stand Out\u003c\/h2\u003e\n  \u003cul class=\"hdiy-feature-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine-grade 304 stainless steel\u003c\/strong\u003e – Excellent corrosion resistance for outdoor decks, fences, and garden projects. Won't leave ugly rust stains.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal hex drive \u0026amp; self-drilling point\u003c\/strong\u003e – Use a standard socket or wrench for a solid grip. The sharp tip starts easily and reduces splitting in wood.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePartial thread design\u003c\/strong\u003e – Smooth upper shank allows tight clamping between wood pieces; aggressive 3\/8\"-16 threads grip deep for pull-out strength.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e50-piece bulk set in a sturdy box\u003c\/strong\u003e – Labeled compartments make it easy to grab the size you need. No more loose screws rattling in a drawer.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision craftsmanship\u003c\/strong\u003e – No off-center heads or weak spots. These lag bolts are straight, high-strength, and built to handle heavy loads.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003c!-- Specifications Table --\u003e\n  \u003ch2\u003e📐 Technical Specifications\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrapper\"\u003e\n    \u003ctable class=\"hdiy-specs-table\"\u003e\n      \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eWood Screws, Partial Thread (Lag Bolts)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA2 (304) Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eHex Head (External Hex)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003e3\/8\"-16 (Coarse Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e1-1\/2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eRaw Stainless Steel \/ Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eExternal Hex – use wrench or socket\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eA2 (304 equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e50 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003ePlastic storage box with size labels\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eMeasurement System\u003c\/th\u003e\n\u003ctd\u003eInch\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \n  \u003c!-- FAQ --\u003e\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003eDo these 3\/8\" lag bolts require pre-drilling into wood?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eNot always. For softwoods like pine or cedar, the self-drilling point can often start without a pilot hole. However, for hardwoods (oak, maple) or near the edge of a board, we recommend drilling a clearance hole about 1\/8\" smaller than the screw diameter to avoid splitting. For maximum holding power or precise placement, pre-drilling is always a safe practice.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003eAre these really 304 stainless steel? Will they rust outdoors?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eYes, they are made from genuine A2 (304) stainless steel. This grade offers very good rust resistance for outdoor use, including rain and humidity. While not as salt-proof as 316 marine grade, these 304 lag screws are perfectly suited for decks, fences, and general exterior wood projects. They will not develop orange rust like regular steel or zinc-coated screws.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003eWhat tools do I need to install these hex head lag screws?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eYou need a wrench (standard 9\/16\" for 3\/8\" hex head) or a socket with a ratchet. A hex socket attached to an impact driver works great for faster driving. Do not use a standard Phillips or flathead driver – the external hex design is meant for wrenches or sockets.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003eCan I use these lag bolts for metal or concrete?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eThese are specifically designed as wood screws (lag bolts for wood). The sharp point and thread pattern are optimized for gripping lumber, plywood, and timber. For metal or concrete, you would need self-tapping metal screws or concrete anchors. Stick with wood materials for best results.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003eDo you offer other sizes or custom lengths?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eAbsolutely – we have many other dimensions available (longer lengths, different diameters). If the size you need isn't listed, just contact us with your requirements. We're happy to help with custom orders or bulk quantities.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cp style=\"font-size:0.85rem; color:#555; margin-top:1rem;\"\u003e⚠️ \u003cstrong\u003eNote:\u003c\/strong\u003e Due to manual measurement, slight size variations (±0.5mm) may occur. Colors on screen may differ slightly from the actual product.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":52247893541138,"sku":"GBTST0154","price":22.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_1c2aca1e-30ff-446b-82be-1ffb38f2dd80.jpg?v=1778119913","url":"https:\/\/homediyer.com\/products\/50pcs-hex-head-5-16-18x2-lag-bolts-stainless-steel-wood-screws-hex-head-screws","provider":"HomeDIYer","version":"1.0","type":"link"}