{"product_id":"sandvik-coromant-6770729-indexable-drill-insert-880lm-4344","title":"Sandvik Coromant 6770729 Indexable Drill Insert 880LM 4344","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SANDVIK COROMANT 6770729 is a solid carbide indexable drill insert designed for use in 880-series indexable drills. Manufactured to grade 4344 with a TiAlN2 PVD coating, this insert delivers wear resistance and thermal stability in demanding drilling operations. It features an 880LM chipbreaker geometry and a square shape with a 5.1 mm (0.2008 inch) inscribed circle, 0.0945-inch thickness, and a 0.5 mm (0.0197-inch) corner radius. Installation and replacement are performed by machining professionals and toolroom technicians working with indexable drilling systems in ferrous and non-ferrous material applications.\u003c\/p\u003e\u003cp\u003eThis insert is suited for use in 880-style indexable drill bodies in CNC turning centers, machining centers, and mill-turn platforms. The LM chipbreaker is intended for light to medium cutting conditions where controlled chip formation is required. The square insert geometry and 2.2 mm hole diameter support secure clamping in compatible drill bodies. It is sold individually with a minimum order quantity of 10 units, making it appropriate for shop stock replenishment or toolcrib management.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eGrade 4344 solid carbide substrate with TiAlN2 PVD coating for heat and wear resistance\u003c\/li\u003e\n\u003cli\u003e880LM chipbreaker geometry for controlled chip evacuation in light to medium drilling\u003c\/li\u003e\n\u003cli\u003eSquare insert shape with 5.1 mm inscribed circle (0.2008 inches)\u003c\/li\u003e\n\u003cli\u003e0.5 mm corner radius for edge stability during entry and exit\u003c\/li\u003e\n\u003cli\u003e0.0945-inch insert thickness for rigid seating in 880-series drill bodies\u003c\/li\u003e\n\u003cli\u003e2.2 mm mounting hole diameter for positive clamping retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement insert for 880-series indexable drill bodies that accept square carbide inserts with a 5.1 mm inscribed circle and 2.2 mm mounting hole.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInsert replacement should be performed by a qualified machinist or toolroom technician with the machine fully powered down and spindle locked. Use the correct Torx or insert-clamp key specified for the drill body to seat the insert without over-torquing the clamping screw. Inspect the insert pocket and clamping seat for chips or debris before seating the new insert. Follow the drill body manufacturer's recommended cutting parameters when returning the tool to service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: 880\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 4344\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiAlN2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: LM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape\u003c\/strong\u003e: Square\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 5.1 mm (0.2008 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.0945 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.5 mm (0.0197 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 2.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 020205\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 0.53 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 1.57 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 3.74 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.25 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: SANDVIK COROMANT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6770729\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51749842780466,"sku":"6770729","price":319.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f60907eee87d6f40f36dbbc9e499611b_ea66f444-b40a-4f43-998f-ef08264690c0.jpg?v=1788911150","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-6770729-indexable-drill-insert-880lm-4344","provider":"Voomi Supply","version":"1.0","type":"link"}