{"product_id":"sandvik-coromant-7861134-turning-insert-3-8-in-coroturn-107","title":"Sandvik Coromant 7861134 Turning Insert 3\/8 in Coroturn 107","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SANDVIK COROMANT 7861134 is a TCMT-style triangular turning insert designed for external turning operations on CNC lathes and turning centers. Part of the CoroTurn 107 series, it features a CVD-applied multilayer coating of Al2O3, TiN, and TiCN over a solid carbide substrate in manufacturer grade 4425. The insert has a 3\/8 inch (0.3750 inch) inscribed circle, a 1.19 mm (0.0469 inch) corner radius, and a neutral hand orientation. Three cutting edges per insert are available, and the UR chip breaker geometry is suited for medium turning passes. Installation is performed via clamp or screw holding methods.\u003c\/p\u003e\n\u003cp\u003eThis insert is intended for turning steel as the primary workpiece material and cast iron as the secondary workpiece material. The ISO code is TCMT 16 T3 12-UR 4425, and it corresponds to industry standard number TCMT 16 T3 12-UR 4425. The CoroTurn 107 series is commonly used in production turning environments where consistent chip control and tool life are priorities. It is appropriate for both roughing and medium-finishing passes depending on feed and depth of cut selection. Machinists and CNC operators in metal fabrication, job shop, and production turning environments are the typical installers.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCVD-coated carbide substrate with Al2O3, TiN, and TiCN multilayer coating for wear resistance\u003c\/li\u003e\n  \u003cli\u003eUR chip breaker geometry engineered for medium turning on steel and cast iron\u003c\/li\u003e\n  \u003cli\u003e3\/8 inch inscribed circle with 60-degree triangular shape provides three usable cutting edges\u003c\/li\u003e\n  \u003cli\u003e1.19 mm corner radius balances surface finish and edge strength\u003c\/li\u003e\n  \u003cli\u003eNeutral hand orientation suits a wide range of toolholder setups\u003c\/li\u003e\n  \u003cli\u003eCompatible with both clamp and screw insert holding methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in CoroTurn 107 series toolholders that accept TCMT-style inserts with a 3\/8 inch inscribed circle and screw or clamp retention. ISO code TCMT 16 T3 12-UR 4425 can be used to cross-reference compatible toolholder systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInsert seating and replacement should be performed by a qualified machinist or CNC technician with the machine powered down and the spindle locked. Inspect the insert pocket and clamping components for debris or wear before seating a new insert. Use the appropriate torx or hex key specified by the toolholder manufacturer when tightening screw-style retention. Do not exceed the insert overhang or depth-of-cut limits defined by the toolholder system documentation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: TCMT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Triangle (60-degree included angle)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CoroTurn 107\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 4425\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Al2O3, TiN, TiCN (CVD process)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 3\/8 inch (0.3750 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1.19 mm (0.0469 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 5\/32 inch (0.1563 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1732 inch (4.40 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: UR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (ISO Code P)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Cast Iron (ISO Code K)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp and Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: TCMT 16 T3 12-UR 4425\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 3.74 x 1.54 x 0.44 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.44 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\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: SANDVIK COROMANT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7861134\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51738228228402,"sku":"7861134","price":294.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/beae66744267016daa532069d65dce0e_ff074092-a4c5-4c7f-aa9b-d36f0e82201d.jpg?v=1788797007","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7861134-turning-insert-3-8-in-coroturn-107","provider":"Voomi Supply","version":"1.0","type":"link"}