{"product_id":"value-collection-221205br-shoulder-screw-5-8-in-alloy-steel","title":"Value Collection 221205BR Shoulder Screw 5\/8 in Alloy Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 221205BR is a Grade 8 alloy steel shoulder screw designed for precision fastening applications where a hardened, accurate-diameter shoulder is required for alignment, pivoting, or bearing retention. The screw features a 5\/8-inch shoulder diameter and 5-inch shoulder length, with a 1\/2-13 UNC threaded end for secure clamping. The hex socket head accepts a 5\/16-inch hex key drive. The uncoated finish leaves the alloy steel surface bare, suitable for applications where additional finishing or lubrication will be applied by the installer. Machinists, maintenance technicians, and assembly professionals install this fastener in jigs, fixtures, linkages, and mechanical assemblies.\u003c\/p\u003e\u003cp\u003eThis shoulder screw is suited for industrial, manufacturing, and mechanical maintenance applications where a tight-tolerance cylindrical shoulder is needed to serve as a pivot point, guide pin, or rolling element journal. The 5-inch shoulder length accommodates thicker assemblies or stacked components. The 1\/2-13 UNC thread is a standard coarse-thread pitch widely used in North American tooling and machinery. Typical installations include die sets, robotic linkages, conveyor guides, and precision fixtures in both light and heavy industrial environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5\/8-inch shoulder diameter provides a precision cylindrical surface for alignment and bearing interfaces\u003c\/li\u003e\n\u003cli\u003e5-inch shoulder length accommodates deep assemblies and stacked component configurations\u003c\/li\u003e\n\u003cli\u003e1\/2-13 UNC thread standard for broad compatibility with standard nuts and tapped holes\u003c\/li\u003e\n\u003cli\u003eGrade 8 alloy steel construction for high tensile strength and wear resistance\u003c\/li\u003e\n\u003cli\u003e5\/16-inch hex socket drive for installation with standard Allen keys or hex bit drivers\u003c\/li\u003e\n\u003cli\u003eMeets ANSI B18.3, ASME\/ANSI B18.3, and ASTM A574 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use shoulder screw for industrial machinery, fixtures, jigs, and mechanical assemblies requiring a 5\/8-inch shoulder diameter and 1\/2-13 UNC thread specification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists or maintenance technicians using a 5\/16-inch hex key or socket bit driver. Ensure the mating bore is sized to the 5\/8-inch shoulder diameter for proper fit and alignment before threading the fastener. Always verify thread engagement depth in the tapped hole meets minimum requirements per applicable engineering standards before applying load. Follow your facility or equipment manufacturer torque guidelines for 1\/2-13 UNC fasteners when specified.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Shoulder Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShoulder Diameter\u003c\/strong\u003e: 5\/8 inch (0.6250 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShoulder Length\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2-13 UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Alloy Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: Hex Socket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 5\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 7\/8 inch (0.8750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 3\/8 inch (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI B18.3, ASME\/ANSI B18.3, ASTM A574\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 221205BR\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51705166594354,"sku":"221205BR","price":18.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3633d580f2b01c99d91298ef48249629.jpg?v=1788427228","url":"https:\/\/voomisupply.com\/products\/value-collection-221205br-shoulder-screw-5-8-in-alloy-steel","provider":"Voomi Supply","version":"1.0","type":"link"}