{"product_id":"accupro-b3201250r-corner-radius-boring-bar-solid-carbide","title":"Accupro B3201250R Corner Radius Boring Bar Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO B3201250R is a corner radius boring bar designed for precision internal turning and boring operations in CNC and manual machining environments. Built from submicron solid carbide, it delivers the rigidity and edge retention needed for tight-tolerance bore finishing. The bar has a minimum bore diameter of 0.32 inches, a maximum bore depth of 1.25 inches, and a shank diameter of 3\/8 inches. The bright finish coating reduces friction and aids in chip evacuation. Right-hand cutting geometry makes it compatible with standard spindle rotation conventions. Machinists and tooling technicians install this bar in boring head setups or tool holders to achieve controlled, repeatable bore geometry with a corner radius range of 0.0050 to 0.0080 inches.\u003c\/p\u003e\u003cp\u003eThis boring bar is suited for precision metalworking applications where corner radius control is critical to part geometry. Typical use cases include finishing bores in ferrous and non-ferrous metals where a sharp corner blend or controlled radius transition is required at the bore floor. With an overall length of 2.5 inches and a compact shank diameter of 3\/8 inches, it fits standard boring bar holders used in production and job-shop environments. It is appropriate for both manual lathes and CNC turning centers where the depth of cut and corner profile must be held to close tolerances.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSubmicron solid carbide construction for high rigidity and extended tool life\u003c\/li\u003e\n\u003cli\u003eCorner radius range of 0.0050 to 0.0080 inches for precise bore floor blending\u003c\/li\u003e\n\u003cli\u003eMinimum bore diameter of 0.32 inches suits small-bore finishing operations\u003c\/li\u003e\n\u003cli\u003eRight-hand cut geometry for standard spindle rotation setups\u003c\/li\u003e\n\u003cli\u003eBright finish coating reduces friction and aids chip flow\u003c\/li\u003e\n\u003cli\u003eCompact 2.5-inch overall length fits standard boring bar holders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and standard tooling fit for boring bar holders accepting a 3\/8-inch shank diameter in CNC turning centers and manual lathes.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician. Secure the shank fully in the boring bar holder to the manufacturer-recommended clamping depth before engaging the workpiece. Power down and lock out the spindle before changing or indexing tooling. Do not exceed the maximum bore depth of 1.25 inches, as overhanging the bar beyond its rated depth reduces rigidity and increases the risk of chatter or tool failure.\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\u003eMinimum Bore Diameter\u003c\/strong\u003e: 0.32 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Bore Depth\u003c\/strong\u003e: 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius Range\u003c\/strong\u003e: 0.0050 to 0.0080 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\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: 0.1875 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: B3201250R\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51740411560242,"sku":"B3201250R","price":75.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/05052d2c29216fec33abbb632c96817b.jpg?v=1788824837","url":"https:\/\/voomisupply.com\/products\/accupro-b3201250r-corner-radius-boring-bar-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}