
Negative Rake Carbide VN Insert
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The VNGG Series Turning Inserts are designed for high-performance machining applications, offering exceptional results in various materials. Below is a detailed overview of the product, including specific models, dimensions, available grades, and real-world applications.
Turning Inserts VNGG Series (Including Aluminum Inserts) – Product Details
The VNGG Series Turning Inserts are designed for high-performance machining applications, offering exceptional results in various materials. Below is a detailed overview of the product, including specific models, dimensions, available grades, and real-world applications.
Product Overview
- Product Type: Turning Inserts (VNGG Series)
- Applications: Ideal for steel, stainless steel, and aluminum alloy machining. The series includes specialized aluminum inserts for precise and efficient aluminum processing1.
- Special Features:
- High sharpness for aluminum machining.
- Advanced coating technologies for enhanced durability and wear resistance.
Product Details
Grade Features
Grade Features Introduction
Below is a detailed introduction to all the available Grades for the Turning Inserts, including their coatings, colors, and special features:
1. KP4125
- Coating Type: CVD
- Color: Yellow
- Features:
- Good edge safety and toughness substrate.
- MT-TiCN, thick Al2O3, and TiN coating combination.
- Suitable for semi-rough machining of steel1.
2. 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 steel1.
3. KP4825
- Coating Type: CVD
- Color: Dual-Color
- Features:
- Substrate with excellent resistance to plastic deformation.
- Nan-columnar MT-TiCN and thick Al2O3 coating combination.
- Suitable for semi-rough and rough machining of steel1.
4. KM1425
- Coating Type: PVD
- Color: Yellow
- Features:
- Fine WC particles.
- Nanoscale AliSiN high-silicon coating.
- Suitable for semi-rough machining of stainless steel1.
5. KM1725
- Coating Type: PVD
- Color: Gray
- Features:
- Fine WC particles.
- Nanoscale AliTiN coating.
- Suitable for interrupted machining of stainless steel1.
6. 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 steel1.
7. KM1025
- Coating Type: PVD
- Color: Bronze
- Features:
- Fine WC particles.
- Nanoscale AliSiN high-silicon coating.
- Suitable for continuous machining of stainless steel1.
8. KN5615
- Coating Type: Non-Coated
- Color: N/A
- Features:
- Hard alloy substrate.
- Sharp cutting edge due to large positive and negative angles.
- Suitable for non-ferrous metal machining1.
9. KX6615
- Coating Type: Non-Coated
- Color: N/A
- Features:
- Ti(CN) base metal ceramic.
- Excellent hot hardness and resistance to crater wear.
- Suitable for semi-rough high-speed machining of steel1.
These Grades offer a wide range of options for different machining materials and applications, ensuring optimal performance and tool life.
Application Scenarios
- Aluminum Machining: VNGG160402R/L-FS5, VNGG160404R/L-FS5, and VNGG160408R/L-FS5 are tailored for aluminum processing, suitable for high-speed and high-precision applications, such as creating complex profiles for aircraft components1.
- Steel and Stainless Steel Machining: Although specialized for aluminum, these inserts can also be used for steel and stainless steel machining with proper adjustments in cutting parameters1.
Specialized Aluminum Inserts
The VNGG 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.
Please contact us for more information
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.
Related Products

Negative Rake Carbide SN Insert
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- Type: SNMG
- Dimensions (mm):
- Blade Length: 0.4 mm 2, 0.8 mm 2, 1.2 mm 2, etc.
- Tool Diameter: 12.7 mm 2, 15.5 mm 2, etc.
- Insert Thickness: 4.76 mm (nominal) 2, 5.16 mm (actual) 2.
The SNMG series turning tool inserts are designed for efficient and versatile machining across various materials, including steel, stainless steel, and cast iron. These inserts are optimized for heavy-duty, roughing, and finishing operations, offering excellent performance and durability in demanding applications1.
Specifications
- Type: SNMG
- Dimensions (mm):
- Blade Length: 0.4 mm 2, 0.8 mm 2, 1.2 mm 2, etc.
- Tool Diameter: 12.7 mm 2, 15.5 mm 2, etc.
- Insert Thickness: 4.76 mm (nominal) 2, 5.16 mm (actual) 2.
Core Features and Benefits
- Enhanced Tool Life
SNMG inserts feature advanced geometries and coatings, providing longer tool life and improved productivity in heavy-duty and high-precision machining1. - Material Compatibility
Designed for a wide range of materials:- Steel: Optimized for roughing and heavy-load machining2.
- Stainless Steel: Excellent performance in semi-finishing and finishing operations3.
- Cast Iron: Designed for efficient machining with high-speed processing capabilities4.
- Precision and Durability
SNMG inserts ensure precise cutting with exceptional surface finishes, ideal for both roughing and finishing operations15. - Versatile Geometries
Available in multiple geometries to suit different machining needs, including roughing, semi-finishing, and finishing23. - Coolant Compatibility
SNMG inserts are designed to work seamlessly with cutting fluids, enhancing tool life and machining efficiency34.
Product Highlights
- Multi-Material Machining: Suitable for steel, stainless steel, and cast iron.
- Performance: Long tool life with advanced geometries and coatings.
- Grade Availability: Recommended grades [▲] are always in stock; custom grades [●] available upon request.
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.



