{"product_id":"kennametal-1623337-indexable-drill-insert-dfthd-kc720","title":"Kennametal 1623337 Indexable Drill Insert Dfthd KC720","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 1623337 is a solid carbide indexable drill insert designed for use in indexable drilling operations where precision and cutting-edge durability are critical. This insert features the DFTHD geometry with an 84-degree included angle (Trigon shape) and a KC720 manufacturer grade. It carries a Physical Vapor Deposition (PVD)-applied TiN coating, which extends tool life and reduces built-up edge in demanding drilling applications. The inscribed circle measures 17.60 mm (0.6929 inches), thickness is 0.1941 inches, and the corner radius is 0.60 mm (0.0236 inches). The HD chipbreaker designation indicates this insert is optimized for heavy-duty chip control. Installation is typically performed by machinists and CNC tooling technicians in metalworking environments.\u003c\/p\u003e\u003cp\u003eThis insert is suited for indexable drilling applications in ferrous and non-ferrous metalworking, including milling centers and CNC drilling stations. The KC720 grade with TiN coating makes it a practical choice for general-purpose drilling across a range of workpiece materials classified under material grades C1 through C5. The DFTHD insert style and HD chipbreaker geometry are selected when chip evacuation and edge stability are priorities in high-feed or interrupted-cut drilling scenarios.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction with PVD-applied TiN coating for extended wear resistance\u003c\/li\u003e\n\u003cli\u003eDFTHD insert style with HD chipbreaker for effective chip control in heavy-duty drilling\u003c\/li\u003e\n\u003cli\u003e84-degree Trigon shape with 0.60 mm corner radius for controlled cutting geometry\u003c\/li\u003e\n\u003cli\u003eInscribed circle of 17.60 mm supports indexable drill bodies requiring that seat size\u003c\/li\u003e\n\u003cli\u003e8-degree relief angle reduces rubbing and heat buildup at the cutting edge\u003c\/li\u003e\n\u003cli\u003eKC720 grade covers material grades C1 through C5, broadening application range\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or standard-inventory insert for indexable drill bodies that accept the DFTHD insert style with an insert size designation of 110506 and a 5.85 mm mounting hole diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInsert replacement should be performed by a qualified machinist or tooling technician with the machine spindle fully stopped and all energy sources locked out per applicable machine safety procedures. Use the appropriate torx or hex key specified by the drill body manufacturer to seat and torque the insert clamp screw  -  do not overtighten. Inspect the insert pocket for debris or damage before seating the new insert. Indexable carbide inserts are brittle; handle carefully to avoid chipping prior to installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: DFTHD\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: KC720\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape\u003c\/strong\u003e: Trigon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 84 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 17.60 mm (0.6929 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.60 mm (0.0236 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.1941 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 11.63 mm (0.4579 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 8 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 110506\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 5.85 mm (0.2303 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C1, C5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0446 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: 1623337\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51744031801650,"sku":"1623337","price":279.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fc241139ca526328ad820e898ba2ea1f.jpg?v=1788853253","url":"https:\/\/voomisupply.com\/products\/kennametal-1623337-indexable-drill-insert-dfthd-kc720","provider":"Voomi Supply","version":"1.0","type":"link"}