490R-140412M-PM 1020 Carbide Milling Insert for Steel CNC Machining

The 490R-140412M-PM 1020 is a high-performance carbide milling insert designed for steel CNC milling operations. Featuring 1020 grade carbide and PM chipbreaker geometry, this insert provides excellent wear resistance, stable cutting performance, and reliable machining efficiency. Suitable for face milling, shoulder milling, and general CNC milling, particularly in roughing and semi-finishing processes.

• 1020 grade carbide – ensures wear resistance and thermal stability
• PM chipbreaker design – improves chip control and cutting stability
• Precision ground cutting edge – enhances dimensional accuracy and surface finish
• Stable cutting performance – reduces vibration and improves machining efficiency
• Long tool life – suitable for continuous CNC milling operations

• Carbon steel
• Alloy steel
• Stainless steel
• General steel materials

• Face milling
• Shoulder milling
• CNC steel machining
• Roughing and semi-finishing operations

This insert combines durable carbide substrate with optimized cutting geometry, delivering high productivity, long tool life, and stable cutting quality for demanding CNC milling applications.