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The High Speed Burs, Size 11 (2.9) Cone are premium, precision-engineered carbide cutting tools built for professional-grade performance across multiple materials. Perfect for shaping, grinding, and deburring metals, wood, plastics, and stone, these burs deliver exceptional cutting control and efficiency.
Manufactured from high-quality tungsten carbide steel, they offer superior hardness, durability, and wear resistance, ensuring consistent results even in demanding applications. Designed for use with high-speed rotary tools, these cone burs enable precise shaping and smooth surface finishing, making them ideal for jewelers, metalworkers, and artisans seeking accuracy and long service life.
Made in the USA, they are compatible with most rotary handpieces and flexible shaft tools, providing versatility and reliability in every task. Key Benefits:
- High Speed: Designed for use with high-speed rotary tools for optimal performance.
- Carbide Construction: Provides exceptional hardness, wear resistance, and durability.
- Versatile Applications: Suitable for a variety of materials and applications.
- Precise Shaping: Enables precise shaping and finishing of intricate details.
Material: M2 High-Speed Steel (HSS) — superior hardness and wear resistance for long-lasting performance
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Hardness: Rockwell 63–65
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Cut Type: Spiral cut — enhances cutting efficiency, maintains sharpness, and minimizes material loading
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Size: 11 (2.9 mm)
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Shape: Cone
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Bearing Angle: 90°
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Shank Diameter: 3/32" (2.35 mm) — fits most handpieces and rotary tools
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Performance: Designed for extended wear, precision cutting, and efficient material removal across various metals and materials
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Made in: USA
Safety Note:
Always wear safety glasses and gloves when using high-speed burs. These tools rotate at extremely high speeds and require careful handling to ensure safe operation.
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Features
High-Quality Construction: Crafted from premium tungsten carbide steel for exceptional strength, hardness, and long-lasting performance.
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Durable and Reliable: Engineered to endure heavy-duty applications, maintaining sharpness and precision over time.
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Versatile Applications: Ideal for metalworking, woodworking, jewelry making, and stone carving—suitable for shaping, grinding, and deburring.
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Precision Cutting: Cone-shaped design allows for accurate material removal and detailed shaping in tight or intricate areas.
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Efficient Performance: Delivers smooth operation and fast material removal, ensuring professional-quality results with minimal effort.
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Universal Compatibility: Fits most rotary tools and flexible shaft handpieces, offering flexibility for various workshop setups.
High Speed Bur Size Convertion Chart |
| SIZE |
MM |
IN/PUL. |
|
SIZE |
MM |
IN/PUL. |
| 1 |
1.05 |
0.035 |
|
18 |
4.5 |
0.177 |
| 2 |
1.2 |
0.043 |
|
19 |
4.7 |
0.185 |
| 3 |
1.35 |
0.051 |
|
20 |
5 |
0.197 |
| 4 |
1.5 |
0.059 |
|
22 |
5.2 |
0.204 |
| 5 |
1.7 |
0.067 |
|
23 |
5.4 |
0.212 |
| 6 |
1.9 |
0.075 |
|
24 |
5.6 |
0.22 |
| 7 |
2.1 |
0.083 |
|
25 |
5.9 |
0.232 |
| 8 |
2.3 |
0.09 |
|
26 |
6.3 |
0.248 |
| 9 |
2.5 |
0.098 |
|
27 |
6.7 |
0.263 |
| 10 |
2.7 |
0.106 |
|
28 |
7.2 |
0.283 |
| 11 |
2.9 |
0.114 |
|
29 |
7.6 |
0.299 |
| 12 |
3.1 |
0.122 |
|
30 |
8 |
0.314 |
| 13 |
3.3 |
0.13 |
|
31 |
8.9 |
0.35 |
| 14 |
3.5 |
0.138 |
|
32 |
9.6 |
0.377 |
| 15 |
3.8 |
0.149 |
|
33 |
10.4 |
0.409 |
| 16 |
4 |
0.157 |
|
34 |
11 |
0.437 |
| 17 |
4.3 |
0.169 |
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