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Engineered for demanding material removal, the High Speed Steel Flame Bur Size 18 (4.5mm) delivers powerful performance for large-scale shaping and heavy-duty metalworking. Constructed from premium HSS, this durable rotary tool withstands heat and wear while providing long-lasting precision. Its large flame shape excels at aggressive stock removal, creating smooth contours, beveling edges, and refining rough surfaces on steel, stainless steel, cast iron, hard alloys, and select hardened metals. Ideal for professional fabricators, welders, and machinists, it ensures efficient, controlled cutting for challenging industrial and fabrication projects.
Key Advantages:
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Heavy-duty material removal for industrial and metal fabrication tasks.
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Large flame shape allows fast and precise shaping of rough surfaces.
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Premium HSS construction for durability, heat resistance, and long service life.
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Suitable for steel, stainless steel, cast iron, hard alloys, and select hardened steels.
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Perfect for professional welders, metalworkers, and machinists tackling demanding projects.
Material: M2 High Speed Steel (HSS) – premium quality for heat resistance and durability
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Size / Diameter: #18 (4.5mm)
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Shank Diameter: 3/32" (2.35mm) – standard size for compatibility with most rotary tools, flex shafts, and micro motors
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Bur Shape: Flame
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Cut Type: Cross Cut / Flame Cut – ensures smooth material removal and controlled shaping
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In/Pul (Inch per Pulse / Length of Cut): 0.177
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Overall Length: Typically ~1.5"–1.75" (standard for industrial rotary burs; can adjust if exact measurement provided)
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Shank Material: Hardened steel for stability and long-lasting use
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Recommended Speed: High RPM use (as per tool specifications)
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Applications: Heavy stock removal, contouring, beveling, smoothing rough surfaces, metalworking, welding prep, fabrication, and industrial shaping
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Compatibility: Works with Foredom, Dremel, and other rotary tool systems
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Durability: Heat-resistant HSS maintains sharp cutting edges for extended service life
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Safety Note: Operate with protective eyewear and gloves; do not exceed recommended tool RPM
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Features
Heavy-Duty Construction: Made from premium HSS for exceptional durability and heat resistance during demanding tasks.
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Large Flame Shape: Ideal for aggressive material removal, contouring, beveling, and shaping large surfaces.
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Versatile Applications: Perfect for metalworking, fabrication, welding preparation, weld cleanup, and general industrial shaping.
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Precision Cutting: Maintains sharpness for controlled, accurate shaping even on tough metals like stainless steel, cast iron, and hard alloys.
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Efficient Material Removal: Rapidly removes excess stock while minimizing clogging and tool wear.
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Standard Shank Compatibility: 3/32" (2.35mm) shank fits most rotary tools, flex shafts, and die grinders.
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Long-Lasting Performance: Designed for repeated use in professional and industrial environments.
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Safe Handling Recommendation: Always wear protective glasses and gloves when operating at high speeds.
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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