{"product_id":"accupro-b120700r-corner-radius-boring-bar-solid-carbide","title":"Accupro B120700R Corner Radius Boring Bar Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO B120700R is a corner radius boring bar designed for precision internal boring operations in machine shop and CNC turning environments. Manufactured from submicron solid carbide with a bright finish, this bar delivers tight tolerances and smooth surface finishes in small-bore applications. It cuts in the right-hand direction with a minimum bore diameter of 0.12 inches and a maximum bore depth of 0.7 inches. The 3\/16-inch shank diameter and 2-inch overall length make it well-suited for compact setups and smaller lathes or boring heads. Licensed machinists and CNC operators handling precision workholding and finish-bore operations are the primary users of this tooling.\u003c\/p\u003e\u003cp\u003eThe B120700R is applied in finish boring and contouring operations where a controlled corner radius is required at the base of a bore. The corner radius range of 0.005 to 0.008 inches reduces stress concentrations at bore shoulders and produces cleaner transitions in precision-machined components. Typical applications include die and mold work, hydraulic component bores, and tight-tolerance shaft fits in both job shop and production environments. The right-hand cutting direction is standard for conventional lathe and CNC turning center setups.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSubmicron solid carbide construction for improved wear resistance and edge retention in hard or abrasive materials\u003c\/li\u003e\n\u003cli\u003eBright finish coating maintains dimensional accuracy without added coating thickness variation\u003c\/li\u003e\n\u003cli\u003eCorner radius range of 0.005 to 0.008 inches for controlled shoulder transitions in precision bores\u003c\/li\u003e\n\u003cli\u003eMinimum bore diameter of 0.12 inches enables work in very small internal diameters\u003c\/li\u003e\n\u003cli\u003eMaximum bore depth of 0.7 inches suits shallow to moderate internal features\u003c\/li\u003e\n\u003cli\u003e3\/16-inch shank diameter fits standard small-bore toolholders and boring heads\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and standard fit for toolholders and boring heads accepting a 3\/16-inch round shank boring bar in right-hand cutting configurations.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC setup technicians. The machine spindle must be fully stopped and the control placed in an e-stop or locked-out state before inserting or removing tooling. Secure the shank firmly in the toolholder to the specified clamping torque for your holder type, and verify runout with a dial indicator before taking a finishing pass. Follow shop safety protocols and applicable OSHA machine guarding requirements when operating boring tooling.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoring Bar Type\u003c\/strong\u003e: Corner Radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Bore Diameter\u003c\/strong\u003e: 0.12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Bore Depth\u003c\/strong\u003e: 0.7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.005 to 0.008 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1875 inches (3\/16 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Submicron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Bright\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0625 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: B120700R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51731573440818,"sku":"B120700R","price":58.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/85b712eb09a6935483b7ac6d904cc089.jpg?v=1788732652","url":"https:\/\/voomisupply.com\/products\/accupro-b120700r-corner-radius-boring-bar-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}