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Elevate your precision cutting, grinding, and shaping projects with our Size 22 (5.2) Bearing 90° High-Speed Burs. Expertly crafted from premium tungsten carbide, these burs are built to withstand rigorous use, high rotational speeds, and elevated temperatures, ensuring long-lasting performance and reliability. Perfect for metal, plastics, wood, ceramics, and other hard materials, they provide the accuracy and efficiency professionals and hobbyists demand.
Key Benefits:
- Superior Durability: Constructed from premium tungsten carbide to resist wear and maintain performance over time.
- Precision Cutting: Engineered to deliver clean, accurate cuts for detailed work.
- Efficient Grinding: Quickly remove material while maintaining control and precision.
- Versatile Applications: Ideal for industrial, jewelry making, dental, woodworking, and DIY projects.
- Smooth Operation: 90° bearing ensures even rotation and consistent results.
- High-Speed Compatibility: Optimized for use with high-speed rotary tools and handpieces.
- Upgrade your toolkit with Size 22 high-speed burs and experience unmatched precision, durability, and performance for all your cutting and grinding tasks.
Material: Tungsten carbide for superior durability and wear resistance
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Size: 22 (5.2 mm)
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Bearing Angle: 90° for smooth, precise rotation
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Shank Diameter: 3/32" (fits most standard handpieces)
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Overall Length (In/Pul): 0.204"
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Hardness: Rockwell 63–65 (high-speed steel performance)
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Cut Type: Spiral cut for reduced loading, efficient material removal, and long-lasting sharpness
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Applications: Cutting, grinding, shaping, and polishing metals, plastics, wood, ceramics, and other materials
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Compatibility: Suitable for high-speed rotary tools and dental or jewelry handpieces
Safety Notes: Rotate at recommended speeds; always wear safety glasses and gloves
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Features
Durable Tungsten Carbide Construction: Built to withstand high temperatures and prolonged high-speed rotation.
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Sharp Cutting Edges: Efficiently grind, cut, and polish a variety of materials with minimal effort.
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90° Bearing: Ensures smooth, even rotation for a precise and consistent finish.
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Versatile Applications: Suitable for metals, plastics, wood, ceramics, and more.
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High-Speed Compatibility: Designed for use with high-speed rotary tools and handpieces.
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Long-Lasting Performance: Retains sharpness and durability even under heavy-duty use.
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Professional & DIY Ready: Ideal for industrial, hobbyist, and professional projects.
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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