{"product_id":"kennametal-1522121-indexable-insert-drill-4xd-dft","title":"Kennametal 1522121 Indexable Insert Drill 4xd Dft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 1522121 is an indexable insert drill designed for production drilling applications requiring consistent hole quality and depth control. Built to the DFT series standard, this drill accepts two DFT05T3 insert style inserts and delivers a maximum drill depth of 127 millimeters (5 inches) at a 4xD depth-to-diameter ratio. The body diameter is 31.75 millimeters with a maximum drill diameter of 33.66 millimeters (1.325 inches). The steel body features a 1.25-inch Weldon Flat and Flange straight shank, making it suitable for machining centers and milling machines where rigid tool holding is required. Installation and setup are typically performed by machinists or tooling engineers in metalworking and manufacturing environments.\u003c\/p\u003e\u003cp\u003eThis indexable drill is suited for general-purpose drilling operations in ferrous and non-ferrous materials across production and job-shop environments. The Weldon Flat and Flange shank style is compatible with standard CAT, BT, and HSK toolholders equipped for that interface. Coolant-through capability via axial concentric entry supports chip evacuation and thermal management in deep-hole drilling cycles. The DFT series is designed for applications where insert indexing speed and repeatability reduce cycle time compared to solid carbide drills.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4xD drill depth-to-diameter ratio with 127 millimeter maximum depth\u003c\/li\u003e\n\u003cli\u003eAccepts two DFT05T3 indexable inserts for fast, in-machine insert changes\u003c\/li\u003e\n\u003cli\u003eCoolant-through design with axial concentric entry for effective chip clearance\u003c\/li\u003e\n\u003cli\u003eWeldon Flat and Flange shank (1.25 inches diameter, 3.25 inches shank length) for secure tool holding\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting direction; general-purpose tool performance rating\u003c\/li\u003e\n\u003cli\u003eInsert lock screw M3-0.5x7.2 T9 drive for consistent clamping torque\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with DFT series inserts, specifically insert style DFT05T3 with an insert size of 0.208 x 0.148 inches (5.29 x 3.75 millimeters). Shank end coolant hole thread size is 1\/4-18. Designed for use with toolholders accepting a 1.25-inch Weldon Flat and Flange straight shank interface.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or tooling engineers. Power down and lock out the spindle before inserting or indexing drill inserts or tightening the insert lock screw. Verify coolant-through supply pressure and connection at the shank end prior to operation. Follow machine tool manufacturer torque specifications for toolholder clamping and refer to KENNAMETAL DFT series setup documentation for insert seating and runout verification procedures.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drill Depth\u003c\/strong\u003e: 127 millimeters (5 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Depth-to-Diameter Ratio\u003c\/strong\u003e: 4xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Diameter\u003c\/strong\u003e: 31.75 millimeters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drill Diameter\u003c\/strong\u003e: 33.66 millimeters (1.325 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Weldon Flat and Flange Straight Shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 10 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Length\u003c\/strong\u003e: 6.75 inches (171.45 millimeters)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 3.25 inches (82.55 millimeters)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Inserts\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Insert Style\u003c\/strong\u003e: DFT05T3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 0.208 x 0.148 inches (5.29 x 3.75 millimeters)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Lock Screw\u003c\/strong\u003e: M3-0.5x7.2 T9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes, axial concentric entry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Entry Thread Size\u003c\/strong\u003e: 1\/4-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Application\u003c\/strong\u003e: Drilling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Performance\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: DFT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23291503\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.69 pounds\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: 1522121\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51742322884914,"sku":"1522121","price":949.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/98d5dde07c8e46ff0c1fe3a96a7c8dec_865da0f9-e6bb-45c2-ba5b-ac9ab89a910c.jpg?v=1788836749","url":"https:\/\/voomisupply.com\/products\/kennametal-1522121-indexable-insert-drill-4xd-dft","provider":"Voomi Supply","version":"1.0","type":"link"}