- Grade: CD7225
- Coating: PVD
- Application: Used for steel material, stainless steel processing
- Cutting Condition: High Precision Finishing Cutting
DESCRIPTION
Product Description
High-Performance Versatile Turning Solution The CNMG120408-MA is a premium double-sided 80° rhombic insert designed for medium-duty turning operations. Featuring the highly efficient MA chipbreaker, this insert is engineered to provide a perfect balance between cutting edge strength and chip control. It is an ideal choice for general-purpose machining on steel, stainless steel, and cast iron, offering stable performance in both continuous and slightly interrupted cuts.
Technical Specification: CNMG120408-MA
| Item | Specifications | Remarks |
| ISO Code | CNMG120408-MA | 80° Rhombic Negative Insert |
| Inscribed Circle (I.C.) | 12.7 mm | Standard size for general turning |
| Thickness (S) | 4.76 mm | High rigidity for stable machining |
| Nose Radius (r) | 0.8 mm | Optimized for medium turning & strength |
| Chipbreaker | MA Geometry | Medium-duty chip control |
| Workpiece Material | Steel & Stainless Steel | Optimized for ISO P and M ranges |
| Coating Technology | CVD / PVD (TiCN+Al2O3) | Multi-layer coating for wear resistance |
| Cutting Edges | 4 Usable Edges | Double-sided for cost efficiency |
Recommended Cutting Parameters
Note: Parameters should be adjusted based on the specific material grade and machine stability.
| Parameter | Recommended Range | Unit |
| Cutting Speed (V_c) | 120 – 280 | m/min |
| Feed Rate (f) | 0.15 – 0.45 | mm/rev |
| Depth of Cut (a_p) | 1.0 – 4.5 | mm |
| Cooling Method | Wet (Flood Coolant) | Recommended for chip evacuation |
CNC Inserts - Frequently Asked Questions
1. How do I choose the right grade for my specific machining application?
Choosing the correct grade is crucial for tool life and performance. We provide a comprehensive Grade Cross-Reference Chart that maps our CD Carbide grades to major international brands like Sandvik, Mitsubishi, and Kyocera. If you are unsure, simply provide us with the workpiece material (P, M, K, S, H) and machining conditions, and our engineers will recommend the best solution.
2. Can you provide customized CNC tools based on our drawings?
Yes. As a factory-direct manufacturer, we specialize in bespoke engineering. Whether you need non-standard dimensions, specific chipbreakers, or customized coatings for unique alloys, our technical team can develop products based on your technical drawings (PDF/STEP) or physical samples.
3. Do you offer free samples for testing before bulk orders?
We understand that "trial cutting" is the only way to verify tool stability. We offer sample packs for professional buyers to test performance on their own CNC machines. Please contact our sales team with your machine specifications and the material you are processing to request your trial samples.
4. How do you ensure the quality consistency of your carbide inserts?
Our quality control is integrated into every step of the production process in Zhuzhou. We use high-purity tungsten carbide powder and advanced PVD/CVD coating equipment. Each batch undergoes rigorous inspection, including microscopic edge analysis and hardness testing, to ensure that the performance of the 1,000th insert is identical to the 1st.
5. What is the typical lead time for international B2B orders?
For standard models in stock (such as WNMG, CNMG, etc.), we usually ship within 3-5 business days. For customized tools or large-volume OEM orders, the production cycle typically ranges from 2 to 4 weeks, depending on the complexity of the design and coating requirements.
6. Are you a manufacturer or a trading company?
We are a direct manufacturing enterprise based in Zhuzhou, the hunan of China’s tungsten carbide industry. By cutting out the middleman, we provide factory-direct pricing and faster technical support. This allows us to offer more flexible MOQs (Minimum Order Quantities) for small-to-medium-sized distributors and specialized machine shops.
