{"product_id":"hex-head-cap-screws-grade-5-steel-zinc-plated-coarse-thread-5-16-18x3-1-2_3156ch5okc","title":"[450 BULK] Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread  5\/16-18X3 1\/2","description":"\u003cdiv\u003e\n\u003cp\u003eHex Head Cap Screws \u003cb\u003eGrade 5 Steel\u003c\/b\u003e \u003cb\u003eZinc Plated\u003c\/b\u003e \u003cb\u003eCoarse Thread\u003c\/b\u003e 5\/16-18 x 3-1\/2 are engineered for durable, high-strength fastening across a variety of applications. Constructed from dependable \u003cb\u003eGrade 5 steel\u003c\/b\u003e and finished with a protective \u003cb\u003ezinc plating\u003c\/b\u003e, these screws resist corrosion and provide reliable performance in demanding environments.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: 5\/16-18 x 3-1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Grade 5 steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc plated\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread\u003c\/b\u003e: Coarse thread (5\/16-18)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead style\u003c\/b\u003e: Hex head\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for quick, secure assemblies in wood, metal, or composite materials, these \u003cb\u003ehex head cap screws\u003c\/b\u003e provide strong clamping force and ease of installation thanks to the coarse thread. The 3-1\/2 inch length fits thicker components and projects where a longer fastener is required, while the uniform coarse thread ensures reliable tapping into prepared or pre-threaded holes.\u003c\/p\u003e \u003cp\u003eUse these hex head cap screws for equipment mounting, machinery assembly, automotive projects, and general construction tasks. They're a versatile choice when you need a robust fastener that combines strength, corrosion resistance, and straightforward tool access for fast installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50348972572951,"sku":"3156CH5OKC","price":304.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/hex_cap_screw_1115_0c5e84c8-29c6-4d38-8683-5b3af334ce68.jpg?v=1747147894","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-5-steel-zinc-plated-coarse-thread-5-16-18x3-1-2_3156ch5okc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}