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High Speed Steel (HSS) Flame Burs, size 8 (2.3 mm), are precision-engineered rotary tools designed for a wide range of professional and DIY applications. Made from high-quality HSS, these burs deliver exceptional durability, heat resistance, and long-lasting sharpness, making them ideal for heavy-duty and detailed work. The flame-shaped cutting head allows for smooth material removal, accurate shaping, and clean finishing on metal, wood, stone, resin, and jewelry. Perfect for engraving, deburring, carving, and creating intricate details, these burs provide a combination of efficiency, control, and reliability for both experienced craftsmen and hobbyists.
- Material - Tungsten Carbide Steel / High Speed Steel (HSS)
- Bur Shape - Flame
- Bur Cut - Flame Cut (Precision Spiral Teeth)
- Head Diameter (Size) - 8 (2.3 mm)
- Head Length - Approx. 8–12 mm (may vary by manufacturer)
- Overall Length -0 Approx. 35–40 mm
- Shank Diameter - 3/32" (2.35 mm)
- Shank Shaft Diameter - 3/32" – 2.35 mm (fits standard rotary tools)
- In/Pulley (In/Pul.) - 0.09
- Recommended Speed Range - 15,000 – 35,000 RPM (adjust according to material hardness)
- Cutting Direction - Right-hand spiral (standard)
- Tooth Type - Fine cross-cut or single cut for smooth finish
- Hardness Rating - ~HRC 63–67 (approximate)
- Surface Finish - Smooth, precise, minimal burr formation
- Tool Compatibility - Rotary tools, die grinders, micro motors, flexible shaft machines
- Application Materials - Ferrous and non-ferrous metals, hardwoods, softwoods, plastics, resins, ceramics, stone
- Performance Features - High-speed cutting, low vibration, heat-resistant, durable
- Corrosion Resistance - Resists rust, oxidation, and chemical wear
- Tool Life - Long-lasting, retains sharpness during continuous or repetitive use
Safety Note: - High-speed rotation: HSS burs can rotate at very high RPMs; ensure the bur is securely fitted before use.
- Personal protection: Always wear safety glasses, gloves, and protective gear.
- Avoid excessive pressure: Let the bur cut naturally to prevent breakage or injury.
- Maintain a clean workspace: Keep away from flammable materials.
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Features
High-Quality Materials: Crafted from premium High Speed Steel (HSS) for long-lasting sharpness and durability.
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Durable Construction: Engineered to endure high-speed, heavy-duty applications without wear or breakage.
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Versatile Applications: Suitable for metalworking, woodworking, jewelry making, stone carving, resin, and plastic work.
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Precise Cutting & Shaping: Enables accurate detail work, engraving, deburring, and finishing on various materials.
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Efficient Material Removal: Provides fast, smooth, and burr-free cutting to save time and effort.
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Flame-Shaped Design: Accesses tight curves, corners, and intricate surfaces for controlled and detailed work.
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Heat & Wear Resistant: Maintains performance under prolonged use at high speeds.
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Smooth & Stable Operation: Minimizes vibration and chatter for professional-quality results.
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Multi-Material Compatibility: Works effectively on ferrous and non-ferrous metals, hardwoods, softwoods, plastics, resins, and ceramics.
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Professional Finish: Leaves polished, clean surfaces, reducing the need for additional finishing.
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Universal Tool Fit: Compatible with most rotary tools, die grinders, micro motors, and flexible shaft machines with 3/32" (2.35 mm) shanks.
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Time-Saving Efficiency: Minimizes clogging and cutting resistance for faster, precise results.
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Ideal for Medium to Large Detail Work: Perfect for engraving, shaping, and finishing larger surfaces or detailed components.
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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