{"product_id":"seco-02747780-milling-insert-mk1500-solid-carbide-octagon","title":"Seco 02747780 Milling Insert MK1500 Solid Carbide Octagon","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SECO 02747780 is a solid carbide milling insert carrying ANSI and ISO designation ONEU090520ZZTN4-M14 and manufactured in the MK1500 grade. This double-sided, octagon-shaped insert features four cutting edges with a wiper cutting edge style and a negative rake angle of 15 degrees. The CVD-applied Duratomic coating — TiCN plus Al2O3 — delivers wear resistance suited to high-volume milling in cast iron. Insert thickness is 0.2189 inches with an inscribed circle of 0.8429 inches. The M14 chip breaker geometry controls chip flow during interrupted and continuous cuts. This insert is held in the cutter body by screw clamping and is designed for use by machining professionals in production environments.\u003c\/p\u003e\n\u003cp\u003eThis insert is optimized for milling cast iron workpieces, covering primary material grade code K applications. It fits SECO cutter series R220.48-09 and L220.48-09. Maximum depth of cut is 0.2480 inches, and the cutting edge effective length is 0.2480 inches. The neutral hand orientation allows use in right-hand and left-hand cutter configurations. Typical applications include face milling and shoulder milling of gray iron, ductile iron, and similar ferrous castings in both job-shop and production-line settings.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-sided octagon body provides 4 usable cutting edges per insert, extending tool economy\u003c\/li\u003e\n  \u003cli\u003eDuratomic CVD coating — TiCN plus Al2O3 — engineered for abrasion resistance in cast iron milling\u003c\/li\u003e\n  \u003cli\u003eWiper cutting edge style improves surface finish at standard feed rates\u003c\/li\u003e\n  \u003cli\u003eM14 chip breaker geometry manages chip evacuation in continuous and interrupted cuts\u003c\/li\u003e\n  \u003cli\u003eNegative rake angle with 135-degree included angle adds edge strength for demanding cuts\u003c\/li\u003e\n  \u003cli\u003eScrew-held insert style for secure, repeatable seating in compatible cutter bodies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with SECO cutter series R220.48-09 and L220.48-09. Insert style is ONEU, insert size code 090520, matching tools designed for ONEU-09 series inserts. Confirm cutter pocket geometry and screw specification before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by qualified machinists or tooling technicians. Disengage and lock out the machine spindle completely before seating or removing inserts. Use the manufacturer-specified torx or hex key to tighten the clamping screw — avoid over-torquing, which can crack the carbide body. Inspect the cutter pocket for chips, wear, or damage before fitting a new insert, as contaminated pockets cause premature edge failure.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI \/ ISO Code\u003c\/strong\u003e: ONEU090520ZZTN4-M14\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: ONEU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Octagon\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: MK1500\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Micrograin Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating \/ Finish\u003c\/strong\u003e: TiCN plus Al2O3 (Duratomic CVD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Wiper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: M14\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Negative\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 15 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 090520\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: ONEU-09\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutter Series Compatibility\u003c\/strong\u003e: R220.48-09 and L220.48-09\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.2189 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.8429 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0787 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.2205 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.2480 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Effective Length\u003c\/strong\u003e: 0.2480 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron (Grade K)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle or Double Sided\u003c\/strong\u003e: Double\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 0.77 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 2.72 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 5.86 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.06 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: 02747780\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51558145687858,"sku":"02747780","price":674.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e94d308a7d38d26a398b4db27dfb118d.jpg?v=1786404602","url":"https:\/\/voomisupply.com\/products\/seco-02747780-milling-insert-mk1500-solid-carbide-octagon","provider":"Voomi Supply","version":"1.0","type":"link"}