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Elevate your jewelry-making precision with our premium high-speed steel burs. Crafted from top-grade M2 high-speed steel with a rockwell hardness of 63-65 HRC, these burs are engineered for exceptional durability and performance. The precision spiral-cut design keeps the cutting flutes clean, reduces loading, and ensures smoother, faster cuts.
With a standard 3/32″ shank diameter, these burs are compatible with most handpieces and rotary tools—making them an easy addition to your jewelry tool kit, whether in a professional studio or a hobby workshop. Compatible for metalworking, engraving, polishing, and shaping tasks across various materials. Key Benefits:
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Superior Durability: Built to last, maintain sharpness long term and resist wear and heat.
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Exceptional Cutting Efficiency: Spiral-cut geometry optimizes material removal and reduces clogging for smoother operation.
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Versatile Applications: Ideal for a wide range of jewelry-making techniques including metal setting, engraved detailing, picking up textures, and polishing designs.
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Easy to Use: Fits most standard rotary handpieces with 3/32″ shank—no adapter needed, ready for use.
- Material - High-Speed Steel (HSS) — premium grade; hard-ro-treated
- Size (Head Diameter) - 10 (≈ 2.7 mm)
- Bearing Angle - 90°
- Shank Diameter - 3/32″ (≈ 2.35 mm)
- Cut / Length (In/Pul.) - 0.106″
- Head Shape - Bud (rounded, “bud” type)
- Flute / Cut Design - Spiral-cut to increase performance and reduce loading
- Recommended Speed Range - Standard handpiece speeds for 3/32″ shank rotary tools — adjust per material.
- Compatibility - Fits most handpieces and rotary tools with 3/32″ collet
- Typical Applications - Deburring, polishing, engraving, shaping jewelry and metalwork
- Safety Note: Please be careful when using high-speed burs, as they can rotate at very high speeds. Always wear safety glasses and gloves when using high-speed burs.
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Features
- Premium High-Speed Steel Construction: Crafted from high-quality HSS (e.g., M2) for durability and long service life in jewelry-making and metal-working applications.
- Bud-Shape Design: The bud-shaped cutting head is ideal for deburring, polishing, engraving, and accessing curved or recessed areas in metalwork and jewelry.
- Exceptional Cutting Efficiency: Sharp cutting edges and spiral-cut geometry enable fast material removal with reduced loading, allowing smoother cuts and better finish.
- Compatibility with Standard Tools: Features a 3/32″ (≈ 2.35 mm) shank—fits most rotary handpieces and flexible shaft tools without special adapters.
- Versatile Application: Suitable for jewelry-making, metal shaping, polishing, engraving, and finishing tasks across a range of materials such as metal, wood, plastics, and ceramics.
- Balanced Performance for Detail and Stability: Size 10 (≈ 2.7 mm) offers a good balance—large enough for durable work, yet compact enough for detailed finishing.
- Reduced Vibration & Better Control: Precision manufacturing and the bud-head geometry help minimize chatter and operator fatigue, enhancing comfort during detailed tasks.
- Excellent Value for Pro and Hobby Use: A standalone size that offers durability and precision, ideal for professionals and serious hobbyists who demand quality tools.
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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