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Elevate your jewelry‑making precision with this premium high‑speed bur. Crafted from durable tungsten carbide, this Size 33 (10.4) bur with a 90° bearing is engineered to outperform traditional vanadium‑steel options. The standard 3/32″ shank ensures compatibility with most handpieces, making it perfect for a variety of tasks: metalworking, engraving, polishing, shaping, and more. Key Benefits:
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Exceptional Durability: The tungsten carbide construction delivers long‑lasting performance and maintains edge sharpness longer than common steel burs.
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Superior Cutting Efficiency: Designed for precise, efficient material removal across metals, plastics, wood and ceramic surfaces.
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Versatile Applications: Ideal for tasks ranging from detailed jewelry work (stone settings, engraving) to broader industrial or DIY operations.
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Easy to Use: Mounted on a 3/32″ shank, this bur fits most standard handpieces — no special adapters required.
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Professional Finish: With the 90° bearing design, expect smoother rotation, reduced vibration and a high‑quality surface finish.
Whether you’re a professional jeweler or a dedicated hobbyist, this high‑speed bur offers the performance, compatibility and versatility to help you achieve clean, accurate results—even in fine detailed work.
Material: High‑Speed Steel (Grade M2) — recognized for excellent wear‑resistance, toughness and ability to maintain hardness under high temperature
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Size: 34 (10.4 mm)
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Bearing: 90°
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Shank Diameter: 3/32″ (≈ 2.35 mm)
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In/Pul (Cut Length): 0.409″
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Guaranteed Hardness: Rockwell 63‑65 HRC (typical for M2 tool steel in hardened state)
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Spiral Cut Design: Enhances performance, retains sharpness, and reduces loading — optimized for precision and longevity.
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Compatibility: Fits standard rotary handpieces with 3/32″ shank size; suitable for jewelry‑making, engraving, polishing, metal‑wood‑plastic work.
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Application & Use: Long‑wear bur engineered for frequent use in tasks requiring precision cutting, shaping and grinding in jewelry fabrication and industrial/DIY contexts.
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Safety Note: High‑speed burs rotate at very high speeds—always wear safety glasses and gloves, secure the bur properly before use.
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Features
Premium Tungsten Carbide Construction: Built with high‑grade tungsten carbide for superior hardness, heat resistance, and extended life under demanding high‑speed conditions.
Precision‑Engineered Cutting Edges: Sharp, finely milled cutting surfaces allow fast and accurate material removal across metals, plastics, wood and ceramics
90° Bearing Design for Stable Rotation: Ensures balanced, smooth rotation with reduced vibration, increasing control and improving surface finish. Reduced Vibration & Improved Control: Engineered for minimal “chatter” during use, leading to smoother finishes and less operator fatigue. Extended Tool Life & Cost‑Efficiency: Fine‑grain carbide material and precision manufacture resist wear, chipping and breakage — resulting in fewer replacements and better value. Larger Size for Greater Coverage: The Size 34 (10.4 mm) dimension enables efficient work on broader surfaces while still offering detail control — ideal for heavier shaping tasks with precision. Compatibility with Standard Handpieces: With industry‑standard shank size (e.g., 3/32″) the bur fits most high‑speed rotary handpieces/straight tools, making it convenient for professional and DIY users.
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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