{"product_id":"seco-74015221-sekn1203aftn-m14-milling-insert-t25m-carbide","title":"Seco 74015221 SEKN1203AFTN-M14 Milling Insert T25M Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SECO 74015221 is a solid carbide milling insert carrying the ANSI and ISO designation SEKN1203AFTN-M14. It is a square-shaped, single-sided insert with a neutral rake angle of 0 degrees and a T-Land cutting edge style. The insert is coated with TiCN via a CVD process, providing wear resistance in demanding milling operations. It measures 0.5 inches in length and width with a thickness of 0.125 inches, and delivers four usable cutting edges per insert. Designed for use in face milling and shoulder milling applications, this insert is installed and managed by machinists and CNC tooling technicians working with milling cutters in the SECO R220.13-12 cutter series.\u003c\/p\u003e\u003cp\u003eThis insert is engineered for milling steel, stainless steel, superalloys, and titanium, corresponding to material grade classifications P, M, and S. The T25M manufacturer grade and M14 chip breaker geometry are suited for medium-grain carbide applications where controlled chip formation and edge stability are critical. It fits into wedge clamp insert holding systems and is appropriate for both production and job-shop milling environments where consistent depth-of-cut performance is required. The maximum depth of cut is 0.3465 inches, and the cutting edge effective length is 0.5 inches.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSquare insert shape with 90-degree included angle and 4 cutting edges per insert\u003c\/li\u003e\n\u003cli\u003eTiCN coating applied via CVD process for thermal and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eT-Land cutting edge style with M14 chip breaker for controlled chip flow in steel and superalloy milling\u003c\/li\u003e\n\u003cli\u003eNeutral rake and neutral hand orientation for flexible cutter compatibility\u003c\/li\u003e\n\u003cli\u003eCorner radius of 0.0394 inches for defined edge engagement\u003c\/li\u003e\n\u003cli\u003eCompatible with SECO R220.13-12 cutter series using wedge clamp holding method\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eThis insert is designated for use with the SECO R220.13-12 cutter series. It carries ANSI and ISO code SEKN1203AFTN-M14 and is compatible with milling applications involving steel, stainless steel, superalloys, and titanium workpiece materials.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a machinist or CNC tooling technician. Power down and lock out the machine spindle before seating or replacing inserts. Use the appropriate torx or hex key as specified by the cutter body manufacturer when tightening the wedge clamp — do not overtighten. Inspect the insert pocket and seating surfaces for debris or wear before installing a new insert to ensure proper seating and edge runout.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: SEKN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Square\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: T25M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Medium Grain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiCN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI\/ISO Code\u003c\/strong\u003e: SEKN1203AFTN-M14\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 1203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.1252 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0394 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.3465 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Effective Length\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 20 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: T-Land\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: M14\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Double Sided\u003c\/strong\u003e: Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Wedge Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutter Series Compatibility\u003c\/strong\u003e: R220.13-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Steel, Stainless Steel, Superalloys, Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 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: SECO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 74015221\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51558413140274,"sku":"74015221","price":296.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/74c9bbe3966a616d69bb1227c4b53e8e.jpg?v=1786411692","url":"https:\/\/voomisupply.com\/products\/seco-74015221-sekn1203aftn-m14-milling-insert-t25m-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}