{"product_id":"kennametal-3781264-grooving-insert-10mm-carbide-altin","title":"Kennametal 3781264 Grooving Insert 10mm Carbide Altin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 3781264 is a solid carbide grooving insert engineered for precise groove-turning operations on CNC lathes and turning centers. Built to the A4 series standard, it carries the GUP chip breaker geometry and a KCU25 manufacturer grade with an AlTiN finish applied via PVD coating. The cutting width measures 10 mm (0.3937 inches) and the maximum depth of cut reaches 6 mm (0.2362 inches). The neutral hand orientation and positive rake angle support consistent chip control across a range of workpiece materials. Licensed machinists and CNC turning specialists install this insert as a direct replacement in compatible A4-series toolholders.\u003c\/p\u003e\u003cp\u003eThis insert is suited to external and internal grooving applications on production turning equipment in both job shop and production machining environments. The 10 mm insert size and 0.80 mm (0.0315 inch) corner radius make it appropriate for medium-duty grooving passes where dimensional accuracy and surface finish consistency are critical. The AlTiN PVD coating provides thermal and abrasion resistance, supporting extended tool life in ferrous and hard-alloy cutting. The GUP chip breaker geometry helps manage chip evacuation, reducing the risk of chip packing in deep grooves with depths ranging from 5 mm to 10 mm.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction with AlTiN finish via PVD coating process for thermal and wear resistance\u003c\/li\u003e\n\u003cli\u003e10 mm cutting width with maximum depth of cut of 6 mm (0.2362 inches)\u003c\/li\u003e\n\u003cli\u003eGUP chip breaker geometry for controlled chip evacuation in grooving operations\u003c\/li\u003e\n\u003cli\u003ePositive rake angle reduces cutting forces on the workpiece\u003c\/li\u003e\n\u003cli\u003e0.80 mm corner radius for accurate groove profile definition\u003c\/li\u003e\n\u003cli\u003eNeutral hand insert orientation — compatible with standard A4-series toolholding systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement insert for A4-series grooving toolholders accepting a 10 mm insert seat size. No specific model numbers or system families were identified in the available input data.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert should be installed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before changing inserts. Verify that the toolholder seat and clamping screw are clean and free of chips before seating the insert. Follow the toolholder manufacturer torque guidelines for the clamping screw — do not overtighten, as carbide inserts are brittle and may crack under excessive clamp load.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Series\u003c\/strong\u003e: A4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KCU25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: A4G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: GUP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: AlTiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Width\u003c\/strong\u003e: 10 mm (0.3937 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 6 mm (0.2362 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut Range\u003c\/strong\u003e: 5 mm to 10 mm (0.2000 to 0.3000 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.80 mm (0.0315 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Radius\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Seat Size\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.1811 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C2, C6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e: Metric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 pounds\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: KENNAMETAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 3781264\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51746080227634,"sku":"3781264","price":98.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b23eae77272d146861b311c37b5bd68d_384c5a76-a7fa-4e91-86e2-167577919bd1.jpg?v=1788866462","url":"https:\/\/voomisupply.com\/products\/kennametal-3781264-grooving-insert-10mm-carbide-altin","provider":"Voomi Supply","version":"1.0","type":"link"}