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Enhance your precision cutting and grinding projects with our High Speed Burs, Size 27 (6.7) Bearing 90°, expertly crafted from premium tungsten carbide for maximum strength and longevity. These burs are precision-engineered to withstand high rotational speeds and demanding workloads, ensuring smooth, efficient performance across a wide range of materials — including metals, plastics, wood, and ceramics. Whether used in industrial manufacturing, jewelry making, or DIY applications, these high-speed burs deliver the reliability and control professionals expect. Key Benefits
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Superior Durability: Constructed from robust tungsten carbide to handle high-speed, heavy-duty applications.
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Precision Cutting: Engineered for accurate, detailed, and clean cuts on a variety of materials.
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Efficient Grinding: Easily removes material and shapes surfaces with consistent performance.
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90° Bearing Design: Ensures smooth, balanced rotation for a flawless finish.
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Versatile Applications: Ideal for use in metalworking, woodworking, jewelry crafting, and repair tasks.
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Corrosion & Heat Resistant: Maintains sharpness and strength even under prolonged use.
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Professional & DIY Friendly: Trusted by jewelers, machinists, and hobbyists alike for precision work.
Material: Premium Tungsten Carbide
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Size: 27 (6.7 mm)
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Bearing Angle: 90°
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Shank Diameter: 3/32" (2.35 mm) – compatible with most standard rotary and flex shaft tools
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In/Pul: 0.263
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Cutting Type: High-speed precision cutting, grinding, and shaping
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Finish Type: Fine, smooth surface finish suitable for detailed work
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Application Range: Ideal for metal, wood, plastic, ceramics, and composite materials
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Rotational Speed Compatibility: Supports high RPM operations with excellent stability
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Durability: Heat and wear-resistant for extended tool life under continuous use
Safety Note:
Please exercise caution when using high-speed burs, as they rotate at extremely high speeds. Always wear protective safety glasses and gloves, and ensure your workpiece is securely fixed before operation.
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Features
Durable Tungsten Carbide Construction: Built from premium tungsten carbide to ensure maximum strength and resistance to high temperatures and wear during high-speed operations.
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Sharp, Precision-Cut Edges: Delivers smooth, accurate, and efficient cutting, grinding, and polishing across various materials, including metal, wood, plastics, and ceramics.
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90° Bearing Design: Ensures smooth and stable rotation for precise finishing results, reducing vibration and improving accuracy during detailed work.
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Versatile Functionality: Ideal for a wide range of applications such as shaping metal, deburring, engraving, removing corrosion, and refining jewelry pieces.
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High-Speed Performance: Engineered to handle high rotational speeds without compromising control or cutting efficiency.
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Professional & DIY Use: Suitable for jewelers, metalworkers, woodworkers, dental technicians, and hobbyists seeking professional-grade results.
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Corrosion & Heat Resistant: Maintains cutting integrity and sharpness even under continuous use and high friction conditions.
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 |
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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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