{"product_id":"sandvik-coromant-5721261-indexable-boring-bar-coroturn-107","title":"Sandvik Coromant 5721261 Indexable Boring Bar Coroturn 107","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 5721261 is an indexable boring bar from the CoroTurn 107 series, designed for internal boring and turning operations on CNC lathes and turning centers. The toolholder is machined from steel with a 0.5 inch (1\/2 inch) shank diameter and a 6 inch overall length. It accepts a single TCMT 221 triangular insert secured by screw clamping, delivering a neutral rake angle of 0 degrees for stable, consistent cutting. The minimum bore diameter is 0.5984 inches (15.20 mm), making it suited to tight-bore applications. Coolant-through capability helps with chip evacuation and tool life in deep-bore conditions.\u003c\/p\u003e\u003cp\u003eThis boring bar is intended for use in precision machining environments where internal diameter finishing and light roughing are required. The right-hand cut orientation and A-STFC toolholder style are standard configurations for conventional lathe setups. The CoroTurn 107 series is a widely used platform in general turning and boring applications across both production and job-shop settings. Machinists working with ferrous and non-ferrous materials will find the neutral rake geometry versatile across a range of workpiece materials. The multi-use designation confirms suitability for both boring and turning operations within its bore range.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCoroTurn 107 series toolholder with screw-clamp insert retention for secure, repeatable positioning\u003c\/li\u003e\n\u003cli\u003eCoolant-through design supports chip flushing in deep or blind bore applications\u003c\/li\u003e\n\u003cli\u003eNeutral rake (0 degrees) geometry works across a broad range of materials\u003c\/li\u003e\n\u003cli\u003eAccepts TCMT 221 inserts with a 0.25 inch (1\/4 inch) inscribed circle\u003c\/li\u003e\n\u003cli\u003eRight-hand cut orientation for standard lathe and turning center setups\u003c\/li\u003e\n\u003cli\u003eSteel construction provides rigidity in the 6 inch overhang range\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with TCMT 221 triangular inserts. Compatible with machines accepting a 0.5 inch shank boring bar. Suitable for both boring and turning operations per the multi-use application designation in the product specifications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist following shop safety procedures. Ensure the machine spindle is fully stopped and the toolholder is locked out before changing inserts or mounting the bar. Secure the shank in the tool block or turret to the depth recommended by the machine manufacturer to maintain rigidity and minimize deflection. Verify insert seating and screw torque before resuming cutting operations.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CoroTurn 107\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToolholder Style\u003c\/strong\u003e: A-STFC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand of Holder\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Bore Diameter\u003c\/strong\u003e: 0.5984 inches (15.20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5 inches (12.70 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches (152.40 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter to Cutting Edge\u003c\/strong\u003e: 0.3120 inches (7.92 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack of Bar to Cutting Edge\u003c\/strong\u003e: 6 inches (152.40 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Compatibility\u003c\/strong\u003e: TCMT 221\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Inscribed Circle\u003c\/strong\u003e: 0.25 inches (6.35 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.125 inches (1\/8 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw Clamping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Inserts\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Use Application\u003c\/strong\u003e: Boring, Turning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.31 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: SANDVIK COROMANT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5721261\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51730712461618,"sku":"5721261","price":265.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/207c56ec91da5227d544b6b58a1ca51b.jpg?v=1788721656","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-5721261-indexable-boring-bar-coroturn-107","provider":"Voomi Supply","version":"1.0","type":"link"}