{"product_id":"sandvik-coromant-7861031-cutoff-insert-corocut-qd","title":"Sandvik Coromant 7861031 Cutoff Insert Corocut Qd","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 7861031 is a carbide cutoff insert designed for parting and grooving operations on CNC lathes and turning centers. Part of the CoroCut QD series, this insert uses a QD-N style seat geometry with a 0.2362-inch cutting width and a neutral lead angle, making it suitable for straight plunge parting. The insert is manufactured from a CVD-coated HC-grade carbide substrate, specifically Manufacturer Grade 4425, with a TiCN\/Al2O3\/TiN multilayer coating that supports extended tool life in steel and cast iron applications. A licensed machinist or CNC tooling technician installs and indexes this insert as part of a CoroCut QD toolholder assembly.\u003c\/p\u003e\u003cp\u003eThis insert is used in precision parting and grooving setups on production turning equipment. The neutral hand and neutral lead angle configuration supports center-line parting on most standard lathe setups. The CR chipbreaker geometry promotes controlled chip formation during cutoff operations, reducing the risk of chip packing in the groove. Typical applications include bar stock cutoff, face grooving, and shallow profile grooving in ferrous materials. The 7-degree relief angle provides clearance to minimize rubbing on the workpiece sidewall during deep parting passes.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.2362-inch cutting width for consistent parting groove dimensions\u003c\/li\u003e\n\u003cli\u003eCVD-applied TiCN\/Al2O3\/TiN coating for wear resistance in steel and cast iron\u003c\/li\u003e\n\u003cli\u003eHC carbide substrate, Grade 4425, balances toughness and heat resistance\u003c\/li\u003e\n\u003cli\u003eCR chipbreaker geometry for controlled chip evacuation during cutoff\u003c\/li\u003e\n\u003cli\u003e7-degree relief angle reduces sidewall rubbing in deep parting operations\u003c\/li\u003e\n\u003cli\u003eNeutral lead angle and neutral hand for straightforward plunge parting setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement insert for SANDVIK COROMANT CoroCut QD series toolholders accepting QD-N style inserts with the K insert size code. ISO designation QD-NK-0600-0004-CR 4425.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before indexing or replacing inserts. Use the correct insert clamping key or torque wrench specified by the toolholder manufacturer to seat the insert properly — do not over-tighten by hand. Inspect the insert pocket and clamping surfaces for chips or debris before seating a new insert.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: QD-N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CoroCut QD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: HC (Carbide)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 4425\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiCN\/Al2O3\/TiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Width\u003c\/strong\u003e: 0.2362 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Angle\u003c\/strong\u003e: 0 degrees, Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7.00 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0157 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: CR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: QD-NK-0600-0004-CR 4425\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 3.74 inches L x 1.58 inches W x 0.54 inches H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.19 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\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\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: 7861031\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51730495177010,"sku":"7861031","price":402.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f69fc93d40fe6dd22cd688723c51161b.jpg?v=1788718456","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-7861031-cutoff-insert-corocut-qd","provider":"Voomi Supply","version":"1.0","type":"link"}