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Designed for heavy-duty material removal and large-scale shaping, these high-speed steel flame burs, size 20 (5mm), deliver powerful performance in metalworking, fabrication, and industrial applications. Made from premium HSS, they provide exceptional durability, heat resistance, and long-lasting sharpness for tough materials like steel, stainless steel, cast iron, hardened steels, and alloys. The large flame shape allows precise contouring, beveling, weld bead removal, and rapid stock removal, making them perfect for professional welders, machinists, and fabricators tackling demanding projects.
Material: Premium Tungsten Carbide Steel (HSS) for superior hardness and durability
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Size: 20 (5mm) – large flame tip for heavy-duty shaping
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Shank Diameter: 3/32" (2.35mm) – compatible with most rotary tools and drills
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Bur Cut/Shape: Flame Cut – optimized for contouring, beveling, and weld bead removal
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Overall Length (In/Pul.): 0.197 in – suitable for deep cuts and large-radius shaping
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Shank Shaft Diameter: 3/32" (2.35mm) – precise fit for rotary tool collets
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Rotation Speed: Suitable for high RPM rotary tools – handle with care
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Application: Ideal for heavy stock removal, metal fabrication, weld preparation, and industrial shaping
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Heat Resistance: Maintains sharpness under high-speed and heavy-duty use
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Durability: Designed for extended life on tough metals, stainless steel, cast iron, hardened steels, and alloys
Safety Note: Always wear safety glasses and gloves when using high-speed steel tools; avoid excessive side pressure
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Features
High-Quality Materials: Constructed from premium HSS for superior durability and long-lasting performance.
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Heavy-Duty Construction: Engineered to withstand rigorous use in industrial, fabrication, and metalworking environments.
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Versatile Applications: Ideal for metalworking, woodworking, welding preparation, stone carving, and general shaping tasks.
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Precise Cutting & Shaping: Flame design allows controlled contouring, beveling, and material removal on tough surfaces.
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Efficient Material Removal: Large flame shape ensures fast and effective stock removal for heavy-duty projects.
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Heat Resistant: Maintains sharpness and cutting efficiency even under high-speed, high-friction conditions.
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Durable Tip Design: Optimized for aggressive cutting without chipping or premature wear.
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Smooth Finish: Provides clean, consistent shaping and blending on metal, cast iron, stainless steel, and alloys.
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Compatibility: Fits standard 3/32" (2.35mm) rotary tool shanks for easy use in most tools.
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Professional-Grade Tool: Suitable for welders, fabricators, machinists, and industrial workshops requiring robust, reliable burs.
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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