{"product_id":"sandvik-coromant-5754339-turning-insert-tnmg434-mm-2025","title":"Sandvik Coromant 5754339 Turning Insert TNMG434-MM 2025","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SANDVIK COROMANT 5754339 is a TNMG434-MM 2025 grade carbide turning insert designed for precision external turning operations, particularly on stainless steel and other difficult-to-machine materials. It features a triangular insert shape with a 60-degree included angle, a neutral hand orientation, and a multi-layer CVD coating of TiCN, Al2O3, and TiN applied over a solid carbide substrate. These coatings improve wear resistance and thermal stability during continuous and interrupted cuts. The MM chip breaker geometry is engineered to control chip flow and reduce cutting forces in medium-duty turning applications. This insert is part of the T-Max P series, a platform widely used in production turning on CNC lathes and turning centers.\u003c\/p\u003e\n\u003cp\u003eThis insert is suited for medium turning applications on stainless steel workpieces in both roughing and finishing passes where chip control is critical. It fits CNC turning centers and manual lathes equipped with TNMG-compatible toolholders using clamp or pin-and-clamp holding methods. The MM chip breaker geometry makes it well-matched for applications requiring reliable chip breaking at moderate feed rates and depths of cut on austenitic and martensitic stainless grades. Machinists and CNC operators in general metalworking, aerospace component manufacturing, and precision part shops are the primary users of this insert type.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCVD-applied TiCN, Al2O3, and TiN multi-layer coating for extended tool life on stainless steel\u003c\/li\u003e\n  \u003cli\u003eMM chip breaker geometry for reliable chip control in medium turning operations\u003c\/li\u003e\n  \u003cli\u003e60-degree triangular shape provides 6 usable cutting edges per insert\u003c\/li\u003e\n  \u003cli\u003eNeutral hand orientation fits both left- and right-hand toolholder configurations\u003c\/li\u003e\n  \u003cli\u003eISO code TNMG 22 04 16-MM 2025 for direct cross-reference to toolholder catalogs\u003c\/li\u003e\n  \u003cli\u003eClamp and pin holding method compatibility for secure seating in standard TNMG pockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement turning insert for CNC lathes and turning centers using TNMG-style insert pockets with clamp or pin-and-clamp holding systems. Primary workpiece material compatibility is stainless steel (ISO material code M).\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInsert seating and indexing should be performed by a qualified machinist or CNC operator with the machine fully stopped and locked out per facility lockout\/tagout procedures. Inspect the insert pocket and clamping hardware for wear or debris before seating a new insert. Do not force the insert into the pocket; proper seating requires clean, undamaged pocket geometry and correct clamping torque applied per the toolholder manufacturer's specification. Verify insert orientation and hand before resuming cutting operations.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: TNMG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: TNMG 22 04 16-MM 2025\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: 2025\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Triangle (60-degree included angle)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiCN, Al2O3, TiN (CVD process)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel (ISO Code M)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.803 inches (20.40 mm)\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\u003eInsert Thickness\u003c\/strong\u003e: 0.1875 inches (4.76 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0625 inches (1.59 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.2030 inches (5.16 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp and Pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: T-Max P\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.33 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\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: SANDVIK COROMANT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5754339\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SANDVIK COROMANT","offers":[{"title":"Default Title","offer_id":51754901504306,"sku":"5754339","price":362.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/61ce144f8792239cec85aca271ef0600_07e1c444-fdd6-4eb2-bdd3-1c68991f6bd1.jpg?v=1788949654","url":"https:\/\/voomisupply.com\/products\/sandvik-coromant-5754339-turning-insert-tnmg434-mm-2025","provider":"Voomi Supply","version":"1.0","type":"link"}