- Sturdy and Wear Resistance : These die grinder drill bits are made of tungsten carbide steel, which is highly wear-resistant. Even when grinding metals such as aluminum and copper, the service life is
- Carbide Burr with Double-Cut Design : These carbide rotary burrs adopt a cross-line design, which has the characteristics of rapid chip evacuation, can improve work efficiency and shorten cutting time
- Widely Used : such as engraving, carving, polishing, deburring, grinding, cutting, chamfering, milling, cleaning, transplanting.
- We offer high-quality carbide burrs with competitive factory pricing and fast global shipping.
DESCRIPTION
C0514M03-50 Cylindrical Ball Nose Carbide Burr
Specifications
Model: C0514M03-50
Shape: Cylindrical Ball Nose (Shape C)
Head Diameter: 5mm
Flute Length: 14mm
Shank Diameter: 3mm
Total Length: 50mm (Extended Reach)
Material: High-Grade Tungsten Carbide





Features
Radius End Design: Ball nose allows for easier contouring and arc surface grinding.
Extended 50mm Shank: Provides better accessibility to deep or narrow cavities.
Double Cut Efficiency: Rapid stock removal and excellent surface finish.
Industrial Durability: High heat and wear resistance for continuous use.
Applications
Materials: Hardened steel, stainless steel, cast iron, and non-ferrous alloys.
Tasks: Ideal for cleaning welds, breaking edges, and machining internal radius contours in mold and die industries.
| Model NO. | Shape | Cutting Edge Dia A mm | Cutting length B mm | Shank Dia mm | Shank Length mm | Whole length mm |
| C0613-MX-03-38R | C | 6 | 13 | 3 | 38 | 51 |
| C0616-MX-06-45 | C | 6 | 16 | 6 | 45 | 61 |
| C0820-MX-06-45R | C | 8 | 20 | 6 | 45 | 65 |
| C1020-MX-06-45R | C | 10 | 20 | 6 | 45 | 65 |
| C1225-MX-06-45R | C | 12 | 25 | 6 | 45 | 70 |
| C1425-MX-06-45R | C | 14 | 25 | 6 | 45 | 70 |
| C1625-MX-06-45R | C | 16 | 25 | 6 | 45 | 70 |
| C1825-MX-06-45R | C | 18 | 25 | 6 | 45 | 70 |
| C2025-MX-06-45R | C | 20 | 25 | 6 | 45 | 70 |
| C2525-MX-06-45R | C | 25 | 25 | 6 | 45 | 70 |







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.



















