- 【HIGH QUALITY 】Carbide burr bits are made of high quality heat- treated tungsten carbide whose hardness can reach to HRC70 with long service life and lasting durability.
- Head Sizes: 6-25mm,Shank size:3mm/6mm/6.35mm
- 【WIDELY APPLICATION】Used for deburring, finishing, shaping and enlarging holes, removing welds,surface cleaning and smoothing castings. Widely used for wood metal drilling,engraving,carving.
- Service: OEM & ODM
DESCRIPTION
A0420M03 Cylindrical Tungsten Carbide Burr – High-Performance Rotary File
Product Overview
The A0420M03 is a professional-grade cylindrical carbide burr designed for high-speed metal removal and precision finishing. Crafted from premium tungsten carbide, this rotary file offers exceptional hardness and heat resistance, making it the ideal choice for heavy-duty industrial applications.
Technical Specifications
Feature | Specification |
Model Number | A0420M03 |
Shape | Shape A (Cylindrical without end cut) |
Head Diameter | 4 mm |
Flute Length | 20 mm |
Shank Diameter | 3 mm (M03 Series) |
Material | Premium Tungsten Carbide |
Cut Type | Double Cut (Cross-cut) / Single Cut |
Features
Superior Durability: Manufactured from high-density tungsten carbide for a longer lifespan compared to HSS tools.
Precision Double Cut: The cross-cut design reduces chip size, provides better operator control, and ensures a smoother surface finish.
Heat Resistance: Maintains sharpness even at high operating temperatures during prolonged use on hard metals.
Versatile Compatibility: Fits most pneumatic rotary tools and electric die grinders with a 3mm collet.
Applications
The A0420M03 is engineered for versatility across multiple industries, including automotive, aerospace, and metal fabrication.
Material Compatibility: Hardened Steel, Stainless Steel, Cast Iron, Titanium, and Nickel alloys.
Common Tasks: Deburring, contouring, edge breaking, weld leveling, and mold cleaning.
| Model NO. | Shape | Cutting Edge Dia A mm | Cutting length B mm | Shank Dia mm | Shank Length mm | Whole length mm |
| A0613-MX-03-38R | A | 6 | 13 | 3 | 38 | 51 |
| A0616-MX-06-45 | A | 6 | 16 | 6 | 45 | 61 |
| A0820-MX-06-45R | A | 8 | 20 | 6 | 45 | 65 |
| A1020-MX-06-45R | A | 10 | 20 | 6 | 45 | 65 |
| A1225-MX-06-45R | A | 12 | 25 | 6 | 45 | 70 |
| A1425-MX-06-45R | A | 14 | 25 | 6 | 45 | 70 |
| A1625-MX-06-45R | A | 16 | 25 | 6 | 45 | 70 |
| A1825-MX-06-45R | A | 18 | 25 | 6 | 45 | 70 |
| A2025-MX-06-45R | A | 20 | 25 | 6 | 45 | 70 |
| A2525-MX-06-45R | A | 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.
