LOMU100404ER- GM Carbide Insert

The LOMU100404ER-GM is a high-performance rectangular positive carbide milling insert designed for shoulder milling, face milling, slot milling, and helical milling operations. Equipped with the GM chipbreaker, it provides excellent chip control, reduced cutting forces, and superior surface finish. The insert features four usable cutting edges, making it an economical choice for high-productivity CNC machining. It is commonly used with MEW series milling cutters and is suitable for machining steel, stainless steel, cast iron, and hardened steel.

Technical Specifications

Dimensions are based on the standard LOMU100404ER-GM ISO specification.

Features

• Premium cemented carbide substrate
• Positive cutting geometry
• GM chipbreaker for efficient chip control
• Four usable cutting edges
• Excellent wear resistance
• High heat and oxidation resistance (grade dependent)
• Stable machining performance
• Low cutting forces
• Superior surface finish
• Long tool life
• Compatible with MEW series milling cutters
• Suitable for dry and coolant-assisted machining

Applications

• Face Milling
• Shoulder Milling
• Slot Milling
• Helical Milling
• CNC Milling
• General Milling
• Semi-Finishing
• Production Machining

Suitable Materials

• Carbon Steel
• Alloy Steel
• Stainless Steel
• Cast Iron
• Hardened Steel

Advantages

• Excellent chip evacuation
• High wear resistance
• Long tool life
• Reduced machining costs
• High machining accuracy
• Stable cutting performance
• Increased productivity
• Cost-effective four-edge design

Corrosion Resistance

• Good corrosion resistance during storage
• High oxidation resistance (coated grades)
• Excellent wear resistance
• Suitable for dry and coolant-assisted machining

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