{"product_id":"kennametal-3781282-grooving-insert-kcu10-4mm-carbide","title":"Kennametal 3781282 Grooving Insert KCU10 4mm Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 3781282 is a solid carbide grooving insert designed for precision external grooving and parting operations on CNC lathes and turning centers. Running under the KCU10 manufacturer grade with an AlTiN PVD coating, this insert delivers thermal resistance and wear protection across a range of workpiece materials. The neutral hand orientation suits standard radial grooving setups. With a 4 mm cutting width and a maximum depth of cut of 3.3 mm, it is sized for medium-duty grooving work where dimensional consistency and tool life are priorities. Machinists and CNC operators in production turning environments install this insert as a direct component of the Series A4 tooling system.\u003c\/p\u003e\u003cp\u003eThis insert is intended for use in Series A4 grooving toolholders. It fits applications involving ferrous and non-ferrous materials where a positive rake geometry and GUP chip breaker design help manage chip evacuation in tight grooving profiles. The 0.80 mm corner radius and the defined insert seat size of 4 support controlled surface finish at groove walls. It is suited to both job shop and production floor environments running metric tooling setups. Sold individually, with a minimum order quantity of 10 units.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eKCU10 grade solid carbide construction with AlTiN PVD coating for elevated thermal and wear resistance\u003c\/li\u003e\n\u003cli\u003e4 mm cutting width with a maximum depth of cut of 3.3 mm for medium-duty radial grooving\u003c\/li\u003e\n\u003cli\u003ePositive rake geometry with GUP chip breaker promotes clean chip formation and evacuation\u003c\/li\u003e\n\u003cli\u003e0.80 mm corner radius supports accurate groove-wall geometry and surface finish\u003c\/li\u003e\n\u003cli\u003eNeutral insert hand suits standard radial grooving orientations without hand-specific tooling\u003c\/li\u003e\n\u003cli\u003eSeries A4 designation ensures direct compatibility with A4 system toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Series A4 grooving toolholders. Insert seat size 4 with a metric measurement standard. Consult KENNAMETAL Series A4 toolholder documentation to confirm holder-to-insert fit before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation of grooving inserts should be performed by a qualified CNC machinist or toolroom technician. Power down and lock out the machine spindle before seating or removing any insert. Use the appropriate insert clamp or screw torque driver as specified in the toolholder documentation — do not over-torque the clamping screw. Inspect the insert seat and clamp for debris or damage before seating a new insert to ensure proper support and prevent premature edge failure.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: A4G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: A4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KCU10\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: 4.00 mm (0.1575 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 3.30 mm (0.1299 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut Range\u003c\/strong\u003e: 3.00 mm to 4.00 mm (0.1000 to 0.1500 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\u003eOverall Length\u003c\/strong\u003e: 0.7874 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 0400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Seat Size\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: GUP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Radius\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C3, C4\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: 1 pound\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: 3781282\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51737741263154,"sku":"3781282","price":519.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b342b8f22b9f084ae8af8f27b1f1d98b.jpg?v=1788793029","url":"https:\/\/voomisupply.com\/products\/kennametal-3781282-grooving-insert-kcu10-4mm-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}