
Negative Rake Carbide DN Insert
The DNMG Series Turning Inserts are a versatile and high-performance solution for various machining applications, designed to deliver exceptional results in both steel and aluminum processing. Below is a detailed overview of the product, including specific models, dimensions, available grades, and real-world applications.
Turning Inserts DNMG Series (Including Aluminum Inserts) – Product Details
The DNMG Series Turning Inserts are a versatile and high-performance solution for various machining applications, designed to deliver exceptional results in both steel and aluminum processing. Below is a detailed overview of the product, including specific models, dimensions, available grades, and real-world applications.
Product Overview
- Product Type: Turning Inserts (DNMG Series)
- Applications: Ideal for steel, stainless steel, and aluminum alloy machining. This series includes specialized aluminum inserts for precise and efficient aluminum processing[^1].
- Special Features:
- High sharpness for aluminum machining.
- Advanced coating technologies for enhanced durability and wear resistance.
Product Details
Grade Features
KP4125
- Coating Type: CVD
- Color: Yellow
- Features:
- High toughness substrate for edge safety.
- MT-TiCN, thick Al2O3, and TiN coating combination.
- Suitable for semi-rough machining of steel4.
KP4225
- Coating Type: CVD
- Color: Black
- Features:
- High-strength substrate with excellent resistance to plastic deformation.
- TiCN and thick Al2O3 coating combination.
- Suitable for semi-rough machining of steel4.
KP4825
- Coating Type: CVD
- Color: Dual-Color
- Features:
- Excellent resistance to plastic deformation.
- Nan-columnar MT-TiCN and thick Al2O3 coating combination.
- Suitable for semi-rough and rough machining of steel4.
KM1425
- Coating Type: PVD
- Color: Yellow
- Features:
- Fine WC particles.
- Nanoscale AliSiN high-silicon coating.
- Suitable for semi-rough machining of stainless steel4.
KM1725
- Coating Type: PVD
- Color: Gray
- Features:
- Fine WC particles.
- Nanoscale AliTiN coating.
- Suitable for interrupted machining of stainless steel4.
KM1925
- Coating Type: PVD
- Color: Multi-Color
- Features:
- Fine WC particles.
- Nanoscale multi-layered AliTiSiN composite coating.
- Suitable for semi-rough to rough machining of stainless steel4.
KM1025
- Coating Type: PVD
- Color: Bronze
- Features:
- Fine WC particles.
- Nanoscale AliSiN high-silicon coating.
- Suitable for continuous machining of stainless steel4.
KN5615
- Coating Type: Non-Coated
- Color: N/A
- Features:
- Hard alloy substrate.
- Sharp cutting edge due to optimized cutting edge geometry.
- Specifically designed for aluminum alloy machining4.
Application Scenarios
- Aluminum Machining: DNMG150404-TM1, DNMG150408-TM1, and DNMG150412-TM1 are tailored for aluminum processing, offering high sharpness and extended tool life in demanding aluminum machining operations. These inserts are ideal for high-speed and high-precision applications, such as creating complex profiles for aircraft components1.
- Steel and Stainless Steel Machining: These inserts can also be used for steel and stainless steel machining with proper adjustments in cutting parameters, making them versatile for various industrial applications1.
Specialized Aluminum Inserts
The DNMG Series includes dedicated aluminum inserts designed to provide:
- Improved surface finish.
- Extended tool life in demanding aluminum machining operations.
- Compatibility with modern CNC machining centers for high-volume production.
Our Services
Feel free to reach out for customized solutions and expert support tailored to your needs.
Customizable
Provides on-site tool optimization and process improvement, reducing customer machining costs by 12%-18%.
Brand
KD brand tools (turning, milling, grooving) offer HRA 90+ hardness, 30% longer coating life, performance on par with top brands, 15%-20% lower price.
Experience
With over 25 years of experience, we specialize in cemented carbide and CNC tools, covering R&D, production, and application.
Diversity
CNC blades, CNC tools, tool systems, tungsten carbide milling cutters, tungsten carbide drill bits, machine-clamped blades, welding blades etc.



