{"product_id":"armor-coat-ust235845-hex-head-cap-screw-5-8-11-grade-8","title":"Armor Coat UST235845 Hex Head Cap Screw 5\/8-11 Grade 8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ARMOR COAT UST235845 is a Grade 8 steel hex head cap screw designed for high-strength fastening applications in mechanical, structural, and industrial assemblies. With a 5\/8-11 UNC thread size and a 2-3\/4 inch length under head, this partially threaded fastener delivers the clamping force required in demanding bolted connections. The Armor Coat finish provides corrosion resistance in environments where bare steel would be unacceptable. Manufactured to ASME B18.2.1 and SAE J429 standards, this screw meets the dimensional and mechanical property requirements expected by trade professionals working on equipment installations, mechanical rooms, and field fabrication.\u003c\/p\u003e\n\u003cp\u003eThis fastener is suited for use in HVAC equipment mounting, plumbing bracket assemblies, electrical enclosure hardware, and general mechanical construction where Grade 8 strength and inch-series UNC threading are required. The partially threaded shank provides a bearing surface in clearance holes, making it appropriate for bolted joint applications where the unthreaded portion must pass through one or more layers of material before engaging a nut or tapped hole.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 8 steel construction for high tensile and proof load strength\u003c\/li\u003e\n  \u003cli\u003e5\/8-11 UNC thread for compatibility with standard inch-series nuts and tapped holes\u003c\/li\u003e\n  \u003cli\u003ePartially threaded shank provides a bearing surface in clearance-hole bolted joints\u003c\/li\u003e\n  \u003cli\u003eArmor Coat finish adds corrosion resistance over bare steel\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B18.2.1 and SAE J429 dimensional and mechanical property standards\u003c\/li\u003e\n  \u003cli\u003e2-3\/4 inch length under head suits medium-depth bolted assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or service fastener for bolted assemblies requiring a 5\/8-11 UNC Grade 8 hex head cap screw with a 2-3\/4 inch length under head and Armor Coat finish.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by mechanical contractors, HVAC technicians, pipefitters, or electricians during equipment mounting or structural assembly work. De-energize and lock out all affected systems before servicing any bolted connections on live equipment. Use a calibrated torque wrench and follow the fastener manufacturer or equipment OEM torque specification for 5\/8-11 Grade 8 hardware. Inspect threads and mating surfaces for damage or contamination before assembly to ensure proper clamping load.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/8-11 UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 2-3\/4 inches\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: Grade 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Armor Coat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreading\u003c\/strong\u003e: Partially Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ASME B18.2.1, SAE J429\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0029 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: ARMOR COAT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: UST235845\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARMOR COAT","offers":[{"title":"Default Title","offer_id":67918209417522,"sku":"UST235845","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9918cc05271ff5c6e13763b79d8c5769.jpg?v=1791268284","url":"https:\/\/voomisupply.com\/products\/armor-coat-ust235845-hex-head-cap-screw-5-8-11-grade-8","provider":"Voomi Supply","version":"1.0","type":"link"}