{"product_id":"bowmalloy-bow36462-hex-head-cap-screw-5-8-18-x-6-1-2-in-grade-9","title":"Bowmalloy BOW36462 Hex Head Cap Screw 5\/8-18 X 6-1\/2 in Grade 9","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BOWMALLOY BOW36462 is a partially threaded hex head cap screw designed for heavy-duty fastening applications in mechanical, structural, and industrial assembly work. It is manufactured from Grade 9 steel, the highest strength classification in the inch-series hex cap screw grading system, and features a Bowma-Guard zinc-plated clear chromate finish for corrosion resistance. The screw measures 5\/8-18 thread size with a 6-1\/2 inch length under the head, making it suited for applications requiring a fine-thread engagement with an extended shank. Partial threading leaves a smooth shank section below the head, which is standard practice in joints where shear load distribution and clamping without thread contact in the grip area are required.\u003c\/p\u003e\n\u003cp\u003eThis fastener is commonly used in heavy equipment assembly, agricultural machinery, construction equipment, and industrial fabrication where high-strength, fine-thread inch-series fasteners are specified. The 5\/8-18 fine thread pitch provides greater thread engagement per unit length compared to coarse thread equivalents, making it appropriate for applications involving vibration resistance or precise torque control. Machinists, millwrights, equipment assemblers, and field technicians working to engineering specifications will find this screw appropriate for high-load bolted joint applications.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 9 steel construction  -  highest tensile strength class for inch-series hex cap screws\u003c\/li\u003e\n  \u003cli\u003e5\/8-18 fine thread for superior vibration resistance and thread engagement\u003c\/li\u003e\n  \u003cli\u003e6-1\/2 inch length under head suits deep-reach and long-grip bolted joint applications\u003c\/li\u003e\n  \u003cli\u003ePartial threading provides a smooth shank for shear load distribution in the grip area\u003c\/li\u003e\n  \u003cli\u003eBowma-Guard zinc-plated clear chromate finish provides corrosion protection\u003c\/li\u003e\n  \u003cli\u003eInch system of measurement  -  direct replacement in standard SAE-spec assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a high-strength inch-series hex head cap screw for use in any application specifying a 5\/8-18 partially threaded fastener in Grade 9 steel with a 6-1\/2 inch grip length.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic, millwright, or assembly technician following the torque specifications provided in the applicable equipment service manual or engineering drawing. Ensure mating threads are clean and free of debris before installation. Grade 9 fasteners must not be substituted with lower-grade hardware in safety-critical or high-load joints. Follow applicable fastener standards and equipment manufacturer guidelines when selecting lubricants or thread-locking compounds.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/8-18\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 6-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreading\u003c\/strong\u003e: Partial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bowma-Guard Zinc-Plated Clear Chromate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161501\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BOWMALLOY\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: BOW36462\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOWMALLOY","offers":[{"title":"Default Title","offer_id":51971373760818,"sku":"BOW36462","price":161.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6918c367a9218c0ddcf20eb38115f7b7_a5efa654-7359-48c6-823a-ed766adaa913.jpg?v=1789956120","url":"https:\/\/voomisupply.com\/products\/bowmalloy-bow36462-hex-head-cap-screw-5-8-18-x-6-1-2-in-grade-9","provider":"Voomi Supply","version":"1.0","type":"link"}