{"product_id":"socket-head-cap-screws-alloy-steel-thermal-black-oxide-7-8-9-x-4-1-2_8772cspkc","title":"7\/8-9 X 4-1\/2\" Socket Head Cap Screws | Alloy Steel Thermal Black Oxide (10 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eSocket Head Cap Screws Alloy Steel Thermal Black Oxide 7\/8-9 X 4 1\/2\u003c\/b\u003e deliver dependable clamping strength in heavy-duty assemblies. Made from high-strength alloy steel and finished with a thermal black oxide, these socket head cap screws resist wear, deliver precise torque, and provide a clean, professional look for automotive, industrial, and equipment applications. The 7\/8-9 x 4 1\/2 size combines a robust grip with a compact head for space-constrained installs.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlloy steel construction for high tensile strength and durability\u003c\/li\u003e \u003cli\u003eThermal black oxide finish for enhanced corrosion resistance and a premium satin appearance\u003c\/li\u003e \u003cli\u003eSocket head design enables high torque transfer with a low-profile head\u003c\/li\u003e \u003cli\u003eCoarse thread, 7\/8-9 UNC for strong engagement in a variety of materials\u003c\/li\u003e \u003cli\u003eLength of 4-1\/2 inches suits deep or long-bore applications\u003c\/li\u003e \u003cli\u003eDrive type: Hex socket (Allen) for reliable tool engagement\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSize: 7\/8-9 x 4-1\/2 in\u003c\/li\u003e \u003cli\u003eMaterial: Alloy Steel\u003c\/li\u003e \u003cli\u003eFinish: Thermal Black Oxide\u003c\/li\u003e \u003cli\u003eHead style: Socket Head Cap\u003c\/li\u003e \u003cli\u003eThread pitch: 9 threads per inch (UNC)\u003c\/li\u003e \u003cli\u003eDrive: Hex socket (Allen)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAutomotive and vehicle assembly and repair\u003c\/li\u003e \u003cli\u003eIndustrial machinery and equipment installations\u003c\/li\u003e \u003cli\u003eHeavy equipment maintenance and fabrication\u003c\/li\u003e \u003cli\u003eAny application requiring strong, precise clamping with a clean appearance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTip: Pair with matching nuts and washers as specified by your design, and apply appropriate torque with a calibrated torque wrench to achieve optimal clamping and prolong fastener life.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50366291607831,"sku":"8772CSPKC","price":131.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/00002CSP_ce89dffc-d42b-49c2-a4d0-b92edd508489.jpg?v=1746805745","url":"https:\/\/mutualscrew.com\/products\/socket-head-cap-screws-alloy-steel-thermal-black-oxide-7-8-9-x-4-1-2_8772cspkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}