{"product_id":"hillman-5-16-in-d-x-4-in-l-hot-dipped-galvanized-steel-hex-bolt-50-pk","title":"HILLMAN 5\/16 in. D X 4 in. L Hot Dipped Galvanized Steel Hex Bolt 50 pk","description":"\u003cdiv\u003e\n\u003cp\u003eHillman 5\/16 in. D x 4 in. L Hot Dipped Galvanized Steel Hex Bolt — a dependable, outdoor-ready fastener designed to withstand the elements. This 50-pack delivers a ready supply for larger projects or ongoing repairs, backed by Hillman’s trusted hardware standards.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e: \u003cstrong\u003e5\/16 in\u003c\/strong\u003e diameter (≈8 mm) and \u003cstrong\u003e4 in\u003c\/strong\u003e length (≈102 mm). The \u003cstrong\u003ehot-dipped galvanized\u003c\/strong\u003e coating provides superior rust resistance for exterior applications. The bolt features a \u003cstrong\u003ecoarse thread\u003c\/strong\u003e for quick driving and strong bite in wood, paired with a \u003cstrong\u003eGrade 2\u003c\/strong\u003e general-purpose rating. It comes with a \u003cstrong\u003ehex head\u003c\/strong\u003e designed for easy driving with standard wrenches or drivers, and is sold \u003cstrong\u003eboxed\u003c\/strong\u003e in a 50-piece package.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e for outdoor use thanks to hot-dip galvanization, helping your projects stand up to moisture and weather.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile size\u003c\/strong\u003e pairs well with common lumber thicknesses and wood-to-metal assemblies, especially where a strong, long fastener is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWood-friendly threading\u003c\/strong\u003e with a coarse profile that bites quickly into softwood for reliable, fast installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBulk packaging\u003c\/strong\u003e—50 bolts per box—ideal for contractors, workshops, and bulk DIY projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand trust\u003c\/strong\u003e with Hillman, a name known for dependable fasteners and straightforward, practical hardware solutions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal uses\u003c\/strong\u003e: exterior decking and fencing projects, railing connections, pergolas, sheds, and other outdoor constructions that benefit from durable, long-lasting fasteners. Use with matching hex nuts and washers to create secure, load-bearing assemblies. While Grade 2 offers solid general-purpose performance, reserve these bolts for non-critical structural connections where high-strength fasteners are not required.\u003c\/p\u003e \u003cp\u003eKeep a box on hand for quick replacements, routine maintenance, or new builds. Hillman’s 5\/16 x 4\" hot-dip galvanized hex bolts provide steady, dependable performance from the first drive to the final tightening.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52171849859346,"sku":"54054","price":45.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/54054_LA.eps_High.jpg?v=1775503192","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-5-16-in-d-x-4-in-l-hot-dipped-galvanized-steel-hex-bolt-50-pk","provider":"National Hardware Group","version":"1.0","type":"link"}