Understanding Type A Carbide Burrs: Dimensions, Advantages, and Uses
Type A Carbide Burrs are precision-engineered cutting tools designed for efficient material removal, fine contouring, and surface finishing. They are commonly used in metalworking, mold manufacturing, instrument production, and other industries that require high-precision machining. Manufactured from high-quality tungsten carbide or high-speed steel, Type A carbide burrs offer exceptional durability, sharpness, and stability at high rotational speeds.
Their standardized cylindrical or tapered shapes make them suitable for a wide range of tasks, from rough cutting to final polishing. When mounted on high-speed rotary tools, they deliver consistent performance on metals, alloys, plastics, wood, and composite materials.
Standard Dimensions of Type A Carbide Burrs
Below is a typical dimension table for Type A carbide burrs. Actual specifications may vary depending on the manufacturer.
| Model (Type A) | Cutting Diameter (D, mm) | Cutting Length (L, mm) | Shank Diameter (S, mm) | Overall Length (OAL, mm) |
|---|---|---|---|---|
| A0313 | 3 | 13 | 3 | 38 |
| A0613 | 6 | 13 | 6 | 50 |
| A0815 | 8 | 15 | 6 | 55 |
| A1020 | 10 | 20 | 6 | 60 |
| A1225 | 12 | 25 | 6 | 65 |
| A1625 | 16 | 25 | 6 | 70 |
Note: Custom sizes, flute types, and coatings (TiN, TiAlN, DLC, etc.) are available upon request.

Key Features of Type A Carbide Burrs
1. High Cutting Efficiency
The sharp cutting edges and optimized flute geometry allow for fast removal of material, improving processing speed and reducing workload.
2. Long Service Life
Made from tungsten carbide or high-speed steel, Type A carbide burrs offer excellent wear resistance and maintain sharpness over prolonged use.
3. Smooth Surface Finish
Precision flute design reduces vibration during operation, helping achieve clean, smooth surfaces with minimal secondary finishing required.
4. Wide Compatibility
Suitable for use with handheld rotary tools, pneumatic grinders, electric die grinders, and CNC machines.
5. Versatile Cutting Performance
Capable of handling a variety of materials including steel, stainless steel, aluminum, cast iron, brass, copper, plastics, rubber, and wood.
6. Heat-Resistant and Stable
Designed to withstand high-speed rotation without deformation or performance loss, even under heavy cutting loads.
Application Fields of Type A Carbide Burrs
Metalworking Industry
Deburring, chamfering, and edge smoothing
Removing weld seams
Contour shaping and groove cutting
Mold and Die Manufacturing
Fine detailing in mold cavities
Precise trimming of hardened materials
Polishing of complex shapes and tight spaces
Automotive and Aerospace
Repair of engine parts
Surface blending and crack removal
Precision modification of metal components
Jewelry and Craftsmanship
Engraving and carving
Fine shaping of metal and resin
Detail finishing of decorative items
Woodworking and DIY
Carving, hollowing, and shaping
Making slots and grooves
Removing excess material in furniture restoration
Type A Carbide Burrs are versatile, durable, and efficient tools well-suited for a broad range of industrial and artistic applications. Their robust design, precise cutting ability, and compatibility with various rotary systems make them indispensable for professionals seeking high-performance material removal and finishing tools.













