{"product_id":"kennametal-3660156-carbide-replaceable-tip-drill-20mm","title":"Kennametal 3660156 Carbide Replaceable Tip Drill 20mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 3660156 is a carbide replaceable tip drill insert from the KSEM Plus series, designed for high-productivity drilling in demanding metalworking applications. Manufactured from solid carbide with a fine grain material grade and a PVD-applied TiAlN coating, this tip delivers strong wear resistance and thermal stability at the cutting edge. The HPG insert geometry and 140-degree drill point angle promote self-centering entry and efficient chip evacuation. It is intended for use by machinists and tooling professionals working on CNC machining centers and similar production equipment where insert replacement reduces downtime compared to indexable systems.\u003c\/p\u003e\u003cp\u003eThis tip is suited for drilling into a broad range of workpiece materials including steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium, covering ISO material groups P, M, K, N, and S. The insert seat size 3 and helical flute configuration with regular spiral support stable cutting action across these material categories. It is commonly installed in production and job shop environments where consistent hole quality and fast tip changeover are priorities.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction with fine grain material grade for edge strength and dimensional stability\u003c\/li\u003e\n\u003cli\u003ePVD TiAlN coating provides wear resistance and heat tolerance across steel and superalloy applications\u003c\/li\u003e\n\u003cli\u003eHPG insert geometry with 140-degree included angle for accurate self-centering and reduced thrust force\u003c\/li\u003e\n\u003cli\u003eHelical flute with regular spiral promotes controlled chip flow in through and blind hole drilling\u003c\/li\u003e\n\u003cli\u003eClamp-style insert holding method for repeatable seating and fast field replacement\u003c\/li\u003e\n\u003cli\u003eCovers ISO workpiece material groups P, M, K, N, and S in a single tip configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a replaceable tip for KSEM Plus series drill bodies using insert seat size 3, compatible with bodies configured to accept the KSEMP2000HPGM tip geometry.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and tip replacement should be performed by a qualified machinist with the machine in a powered-down, locked-out state. Use the correct clamp torque driver specified by the drill body manufacturer for the insert seat size to ensure proper seating without overtightening. Inspect the insert pocket and clamping surfaces for chips or damage before seating a new tip. Confirm tip is fully seated and clamped before resuming cutting operations.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 20 mm (0.7874 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Fine Grain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KC7315\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiAlN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Geometry\u003c\/strong\u003e: HPG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Seat Size\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Helical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 10 mm (0.3937 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Length\u003c\/strong\u003e: 0.3937 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 10 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Steel, Stainless Steel, Cast Iron, Non-Ferrous Metal, Superalloys and Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Material Groups\u003c\/strong\u003e: P, M, K, N, S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: KSEM Plus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Drilling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.4 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: 3660156\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51730218746162,"sku":"3660156","price":257.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f70e1c963b6e57d512fcafba272293a8_8a47d349-9b71-4dd0-907f-675c20487e84.jpg?v=1788713537","url":"https:\/\/voomisupply.com\/products\/kennametal-3660156-carbide-replaceable-tip-drill-20mm","provider":"Voomi Supply","version":"1.0","type":"link"}