{"product_id":"value-collection-39111-hex-cap-screw-1-2-13-x-2-3-4-in-grade-8-25pk","title":"Value Collection 39111 Hex Cap Screw 1\/2-13 X 2-3\/4 in Grade 8 25pk","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 39111 is a partially threaded hex head cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. Manufactured from Grade 8 steel with a zinc yellow dichromate finish, this fastener delivers superior tensile strength and corrosion resistance compared to lower-grade alternatives. The 1\/2-13 UNC thread size and 2-3\/4-inch length under head make it well suited for heavy-duty bolted connections where clamping force and fatigue resistance are critical. This package contains 25 screws and meets ASME B18.2.1 dimensional standards, making it a reliable choice for tradespeople and maintenance professionals who require consistent, spec-compliant fasteners.\u003c\/p\u003e\n\u003cp\u003eThis hex head cap screw is used across a wide range of applications including equipment mounting, machinery assembly, structural steel connections, and mechanical maintenance in both commercial and industrial settings. The partially threaded shank provides a smooth bearing surface in the grip area, which is preferred in applications where shear loads are present or where precise hole alignment is required. Electricians, pipefitters, millwrights, and general maintenance technicians commonly use Grade 8 hex cap screws in heavy-duty bolted joint assemblies.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 8 steel construction provides high tensile and proof load strength for demanding bolted joints\u003c\/li\u003e\n  \u003cli\u003eZinc yellow dichromate finish offers corrosion resistance and a distinctive identification coating common to Grade 8 fasteners\u003c\/li\u003e\n  \u003cli\u003ePartially threaded shank allows load transfer through the unthreaded grip length, reducing shear stress on threads\u003c\/li\u003e\n  \u003cli\u003e1\/2-13 UNC thread form ensures broad compatibility with standard inch-series nuts, inserts, and tapped holes\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B18.2.1 dimensional standards for consistent head geometry and thread engagement\u003c\/li\u003e\n  \u003cli\u003eSold in a 25-piece package for bench stock, maintenance kits, or project use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 1\/2-13 UNC inch-series hex nuts, flat washers, lock washers, and tapped holes conforming to UNC thread standards in Grade 8 or equivalent structural fastening applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified technician familiar with fastener torque specifications for Grade 8 hardware and the joint material being fastened. Always consult the equipment manufacturer or applicable structural code for proper torque values before tightening. Ensure mating threads and bearing surfaces are clean and free of debris before assembly. Use of an appropriate torque wrench is standard practice for Grade 8 bolted connections to prevent overtorque or undertorque conditions.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2-13 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: Zinc Yellow Dichromate\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\u003eStandard\u003c\/strong\u003e: ASME B18.2.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 25 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161501\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: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 39111\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51692758696242,"sku":"39111","price":47.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2f6863d1b8aa94c43f458bfbe4cf1920.jpg?v=1788302396","url":"https:\/\/voomisupply.com\/products\/value-collection-39111-hex-cap-screw-1-2-13-x-2-3-4-in-grade-8-25pk","provider":"Voomi Supply","version":"1.0","type":"link"}