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Achieve precise and intricate detail with the High Speed Steel Flame Bur #12 (3.1mm), expertly crafted from premium M2 HSS for superior durability, sharpness, and heat resistance. Its fine flame-shaped tip is specifically designed for delicate contouring, shaping, and controlled material removal in tight spaces, making it ideal for detailed jewelry work, engraving, die finishing, metalworking, woodworking, wax carving, and other precision applications.
The spiral-cut flutes ensure smooth cutting, minimal clogging, and consistent performance, extending the tool’s lifespan beyond standard tungsten, vanadium, or carbon steel burs. With a standard 3/32" (2.35mm) shank, this flame bur is compatible with most rotary tools, flex shafts, and micromotors, providing stability and vibration-free operation for precise, controlled work. Perfect for both professional artisans and hobbyists seeking high-quality performance in fine detail projects.
Material: Premium M2 High Speed Steel (HSS)
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Bur Shape: Flame
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Bur Size/Number: #12 (3.1mm diameter)
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Shank Diameter: 3/32" (2.35mm) – compatible with most rotary tools and flex shafts
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Bur Cut: Cross Cut / Flame Cut for precise contouring and shaping
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In/Pul.: 0.122
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Length: Standard working length suitable for detailed craft work (varies by manufacturer)
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Compatibility: Fits most rotary tools, micromotors, and handpieces used in jewelry making, metalworking, and woodworking
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Durability: High wear resistance, maintains sharpness longer than tungsten, vanadium, or carbon steel burs
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Safety Note: Operates at very high speeds; always wear safety glasses and gloves during use
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Applications: Jewelry making, engraving, die finishing, wax carving, metal and wood shaping, stone carving, deburring
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Features
Premium M2 High Speed Steel Construction: Ensures superior hardness, heat resistance, and long-lasting sharpness for repeated use.
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Fine Flame-Shaped Tip: Perfect for intricate contouring, shaping, and delicate material removal in tight spaces.
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3/32" (2.35mm) Standard Shank: Compatible with most rotary tools, flex shafts, and micromotors for stable operation.
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Durable and Long-Lasting: Designed to withstand heavy-duty and repeated use while maintaining cutting efficiency.
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Spiral-Cut Flutes: Provide smooth, controlled cutting, minimize clogging, and ensure consistent performance.
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Versatile Applications: Ideal for jewelry making, metalworking, woodworking, engraving, die finishing, wax carving, and fine craft work.
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Precision Cutting: Enables accurate shaping and fine detailing on metals, plastics, wood, wax, and composite materials.
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Vibration-Free Operation: Precision-ground shank and balanced design offer smooth handling and improved control.
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Professional & Hobbyist Friendly: Suitable for detailed work by both skilled artisans and DIY enthusiasts.
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Efficient Material Removal: Optimized flute design allows quick yet controlled shaping without damaging the workpiece.
High Speed Bur Size Convertion Chart |
| SIZE |
MM |
IN/PUL. |
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SIZE |
MM |
IN/PUL. |
| 1 |
1.05 |
0.035 |
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18 |
4.5 |
0.177 |
| 2 |
1.2 |
0.043 |
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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 |
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34 |
11 |
0.437 |
| 17 |
4.3 |
0.169 |
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