Product Overview
The CNMG120408-MA MC6025 is a premium carbide turning insert designed for CNC machining applications, particularly suited for medium cutting operations on carbon steel and alloy steel. This negative geometry insert features the MC6025 grade, which provides excellent wear resistance and heat resistance, making it ideal for general cutting applications in industrial automation and manufacturing environments.
Key Features and Benefits
Precision Finishing
Designed specifically for finishing applications, these inserts maintain tight tolerances while delivering excellent performance and surface finish quality.
Wear & Heat Resistance
The MC6025 grade provides superior wear resistance and heat resistance, preventing sticking to holders or workpieces and reducing breakage risks.
Positive Land Design
Features a positive land that provides sharp cutting action, enhancing cutting efficiency and reducing power consumption during operations.
Strong Grip & Stability
Engineered for strong grip and resistance, ensuring stable cutting performance even under demanding machining conditions.
Technical Specifications
| Parameter | Specification | Description |
| Insert Type | CNMG120408-MA | Negative geometry turning insert |
| Grade | MC6025 | Premium carbide grade for steel machining |
| Cutting Edge Length | 12.7mm | Standard size for medium cutting applications |
| Thickness | 4.76mm | Optimal thickness for stability and strength |
| Inscribed Circle | 12.7mm | Standard IC size for compatibility |
| Corner Radius | 0.8mm | Provides good edge strength and finish |
| Hole Size | 5.16mm | Standard screw hole for secure mounting |
| Application | Turning Operations | External CNC turning applications |
Recommended Applications
- Medium cutting of carbon steel
- Alloy steel machining operations
- General cutting applications in CNC turning
- Semi-finishing and finishing operations
- External turning on lathes and CNC machines
- Industrial manufacturing and automation
- Precision component production
Performance Comparison
| Feature | CNMG120408-MA MC6025 | Standard Inserts |
| Wear Resistance | Excellent | Good |
| Heat Resistance | Superior | Average |
| Surface Finish | Precision Quality | Standard Quality |
| Tool Life | Extended | Standard |
| Application Range | Wide (Steel & Alloys) | Limited |
Frequently Asked Questions
What materials are best suited for CNMG120408-MA MC6025 inserts?
These inserts are specifically designed for medium cutting of carbon steel and alloy steel. They perform exceptionally well with materials like mild steel, medium carbon steel, and various alloy steels commonly used in industrial manufacturing.
What is the recommended cutting speed for these inserts?
For optimal performance with the MC6025 grade, recommended cutting speeds range from 150-300 m/min for carbon steel and 100-250 m/min for alloy steels, depending on specific material hardness and cutting conditions.
How many cutting edges does each insert have?
The CNMG120408-MA insert features 4 cutting edges, allowing for economical use through multiple indexings before replacement is necessary.
What type of tool holder is compatible with these inserts?
These inserts are compatible with standard MCLNR turning tool holders and other holders designed for CNMG negative geometry inserts with 12.7mm inscribed circle diameter.
What makes the MC6025 grade special?
The MC6025 grade features a specialized carbide substrate with advanced coating technology that provides exceptional wear resistance, heat resistance, and toughness, making it ideal for demanding machining applications.
Trust Metrics and Industry Recognition
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Customer Satisfaction
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Quality Certified
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Years Industry Experience
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Industrial Applications
External References and Industry Standards
According to industry standards and manufacturer specifications from Mitsubishi Carbide and other leading tooling manufacturers, the CNMG120408-MA configuration represents a standard negative geometry turning insert widely used in CNC machining applications. The MC6025 grade has been validated through extensive industrial testing for its performance in steel machining operations.
Industry Standards Compliance: These inserts comply with ISO 1832 standards for indexable inserts and are manufactured following strict quality control procedures to ensure consistent performance and dimensional accuracy.
Safety and Handling: Always follow proper safety protocols when handling carbide inserts. Use appropriate personal protective equipment and ensure proper installation in compatible tool holders according to manufacturer specifications.