{"product_id":"seco-00040684-turning-insert-dnmg432-mr4-carbide","title":"Seco 00040684 Turning Insert DNMG432-MR4 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SECO 00040684 is a solid carbide, uncoated turning insert in the DNMG432-MR4 series, designed for precision metal-cutting operations on CNC lathes and turning centers. It features a 55-degree diamond insert shape (Shape Code D), a neutral hand orientation, and a negative rake geometry with a T-Land cutting edge style. The inscribed circle measures 0.5 inches, the corner radius is 0.0315 inches (1\/32 inch), and insert thickness is 0.1874 inches. With four available cutting edges and an MR4 chip breaker, this insert delivers controlled chip formation across a range of turning applications.\u003c\/p\u003e\n\u003cp\u003eThis insert is primarily engineered for machining superalloys and titanium (ISO Material Code S), with secondary suitability for stainless steel, cast iron, non-ferrous materials, and hardened materials (Material Codes M, K, N, H). Applicable operations include turning, facing, boring, and back turning. It conforms to ANSI and ISO standards and carries the ISO designation DNMG150408-MR4. The insert is held via clamp, pin, or lever-lock toolholding systems and supports a maximum depth of cut of 0.5787 inches. Sold individually; minimum order quantity is 10 units.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide substrate, bright\/uncoated finish — optimized for superalloy and titanium cutting grades S10, S20, S30\u003c\/li\u003e\n  \u003cli\u003e55-degree diamond insert shape with negative rake and T-Land cutting edge for controlled engagement\u003c\/li\u003e\n  \u003cli\u003eMR4 chip breaker geometry for effective chip control in multi-pass turning operations\u003c\/li\u003e\n  \u003cli\u003eFour cutting edges per insert for extended tool life across a single indexable insert\u003c\/li\u003e\n  \u003cli\u003eCompatible with clamp, pin, and lever-lock toolholder systems for flexible setup\u003c\/li\u003e\n  \u003cli\u003eMeets ANSI and ISO standards; ISO code DNMG150408-MR4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in DNMG-series toolholders that accept a 55-degree diamond insert with a 0.2028-inch hole diameter, lever-lock, pin, or clamp retention. Suitable for turning, facing, boring, and back-turning operations on superalloys, titanium, stainless steel, cast iron, and non-ferrous workpiece materials as specified by SECO material grades S10, S20, and S30.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a qualified machinist or toolroom technician using a compatible DNMG-series toolholder. Before indexing or replacing inserts, ensure the machine spindle is fully stopped and the machine is in a safe, locked-out state. Seat the insert fully against the toolholder pocket and secure with the appropriate clamp, pin, or lever-lock mechanism per the toolholder manufacturer's specifications. Inspect the insert pocket and seating surfaces for chips or debris before installation to prevent insert rocking or premature edge failure.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: DNMG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: DNMG-MR4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond 55 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape Code\u003c\/strong\u003e: D\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MR4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: T-Land\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Negative\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.5 inches (12.70 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0315 inches (1\/32 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.1874 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 1.2204 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.2028 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.5787 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Superalloys and Titanium (Code S)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material Codes\u003c\/strong\u003e: M, K, N, H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: S10, S20, S30\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp, Pin, Lever Lock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Use Application\u003c\/strong\u003e: Back Turning, Boring, Facing, Turning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: DNMG150408-MR4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry Standard Number\u003c\/strong\u003e: DNMG432-MR4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 432\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\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: 00040684\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51562114122034,"sku":"00040684","price":240.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ba9b0048518ee18e5b4b9bc166c9f79d.jpg?v=1786471918","url":"https:\/\/voomisupply.com\/products\/seco-00040684-turning-insert-dnmg432-mr4-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}