Walter TNMG220408-NR4 Indexable Carbide Insert

Description:

The Walter TNMG220408-NR4 Grade WMP20S Carbide Indexable Insert is used in industrial CNC turning systems for precision metal cutting, roughing, profiling, and material removal operations on steel, alloy steel, and stainless steel workpieces. Commonly installed in indexable turning toolholders, CNC lathes, production machining centers, and high-volume manufacturing equipment. Maintenance teams, machinists, and manufacturing engineers use this insert for tooling replacement, production turning, process optimization, and maintaining reliable cutting performance in demanding industrial environments.

Applications:

The Walter TNMG220408-NR4 WMP20S carbide insert is designed for industrial turning operations requiring excellent wear resistance, stable cutting performance, and dependable chip control during continuous and interrupted cutting conditions. It is frequently utilized in automotive manufacturing, aerospace component machining, oil and gas equipment production, heavy equipment fabrication, general engineering facilities, and CNC production environments where dimensional accuracy, long insert life, and reduced machine downtime are critical for maximizing productivity and machining efficiency.

Technical Specifications:

• Brand: Walter
• Part Number: TNMG220408-NR4
• Grade: WMP20S
• Product Type: Carbide Indexable Turning Insert
• Insert Style: TNMG
• Material: Carbide substrate
• Grade Classification: WMP20S
• Chipbreaker Geometry: NR4
• Insert Shape: Triangular negative insert
• Inscribed Circle: 22 mm
• Insert Thickness: 4.76 mm
• Corner Radius: 0.8 mm
• Clearance Angle: 0°
• Cutting Direction: Neutral
• Number of Cutting Edges: Multiple indexable cutting edges
• Function: Turning, facing, profiling, and material removal
• Application Type: CNC and production turning operations
• Compatible Equipment: CNC lathes and turning centers
• Cutting Application: Steel, alloy steel, and stainless steel machining
• Construction Type: Precision-ground coated carbide insert
• Industrial Use: Production machining and tooling replacement
• Performance Feature: High wear resistance and extended tool life

Common Replacements:

• Sandvik Coromant TNMG Turning Insert
• Kennametal TNMG Carbide Insert
• Seco TNMG Turning Insert