{"product_id":"walter-6890494-cnmg120404-ms3-ws10-carbide-turning-insert","title":"Walter 6890494 CNMG120404-MS3 WS10 Carbide Turning Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe WALTER 6890494 is a solid carbide turning insert designed for precision metal removal in demanding machining applications. Carrying the ISO designation CNMG120404-MS3 WS10, this insert features an 80-degree diamond shape, a neutral hand orientation, and the MS3 chip breaker geometry. It has an inscribed circle of 12.70 mm (0.5000 inches), an insert length of 12.90 mm (0.5080 inches), and a corner radius of 0.40 mm (1\/64 inch). The WS10 uncoated carbide grade is engineered for materials that are difficult to machine, and the honed cutting edge style supports controlled chip formation across a variety of turning operations. Machinists and CNC operators working in production or job-shop environments are the typical end users.\u003c\/p\u003e\u003cp\u003eThis insert is suited for turning, facing, and boring operations. Its primary workpiece material designation is superalloys and titanium (ISO material code S), with a secondary designation of non-ferrous metals (ISO material code N). The negative rake angle and CNMG geometry make it a practical choice for stable, high-load cuts in aerospace, energy, and industrial component machining where tough, heat-resistant alloys are common. The MS3 chip breaker supports chip control across a range of depths and feed rates without wiper geometry.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCNMG diamond insert shape with 80-degree included angle and negative rake for rigid, stable cutting\u003c\/li\u003e\n\u003cli\u003eMS3 chip breaker geometry optimized for superalloys, titanium, and non-ferrous metals\u003c\/li\u003e\n\u003cli\u003eWS10 uncoated solid carbide grade engineered for high-temperature alloy machining\u003c\/li\u003e\n\u003cli\u003eFour usable cutting edges per insert for extended tool economy\u003c\/li\u003e\n\u003cli\u003e0.40 mm corner radius (1\/64 inch) with honed cutting edge style for controlled entry and reduced chipping\u003c\/li\u003e\n\u003cli\u003eCompatible with clamp and pin insert holding methods for broad toolholder adaptability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned to fit toolholders that accept CNMG 431 (CNMG120404) style inserts using clamp or pin clamping methods. Also identified by industry standard number CNMG431-MS3 WS10. Confirm toolholder pocket geometry and clamping style before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC toolroom technician. Power down and lock out the machine spindle before seating or replacing inserts. Ensure the toolholder pocket is clean and free of chips or debris before installing the insert, as contamination can cause improper seating and premature edge failure. Index to a fresh cutting edge rather than rotating a worn edge back into service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: CNMG120404-MS3 WS10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standard Number\u003c\/strong\u003e: CNMG431-MS3 WS10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: CNMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond (80-degree included angle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: WS10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MS3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating \/ Finish\u003c\/strong\u003e: Uncoated (Bright)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Honed\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: 13 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle (Clearance Code N)\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.40 mm (1\/64 inch \/ 0.0157 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 12.70 mm (0.5000 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 12.90 mm (0.5080 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 4.76 mm (0.1875 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 5.16 mm (0.2030 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 12.90 mm (0.5080 inches)\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\u003ePrimary Workpiece Material\u003c\/strong\u003e: Superalloys and Titanium (Code S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Non-Ferrous Metal (Code N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Turning, Facing, Boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 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: WALTER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6890494\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALTER","offers":[{"title":"Default Title","offer_id":51972040687922,"sku":"6890494","price":224.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1aacc086f38d4306e703519091d337da.jpg?v=1789961674","url":"https:\/\/voomisupply.com\/products\/walter-6890494-cnmg120404-ms3-ws10-carbide-turning-insert","provider":"Voomi Supply","version":"1.0","type":"link"}