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High Speed Burs, Bud #2-14, 6-26 Even
High Speed Steel Bud Bur Set (Bud #2‑14 / 6‑26 mm) for jewelry making and metalworking, 3/32″ shank, spiral‑cut high‑performance steel burs.
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Spanish Name: FRESAS CAPULLO ALTA VELOCIDA


Product Code: B251
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Description Technical Specs
 

Elevate your jewelry‑making precision with our exceptional high‑speed steel burs. Crafted from premium M2 high‑speed steel — heat‑treated to Rockwell hardness 63‑65 for outstanding wear resistance and cutting performance. The spiral‑cut flutes are engineered to reduce chip‑loading, maintain sharpness longer, and deliver smoother results. With a standard 3/32″ (2.35 mm) shank, these burs fit most handpieces and rotary tools used by professionals and hobbyists alike.Ideal for metalworking, engraving, polishing, wax‑carving, and intricate detailing, these burs offer superior durability and cutting efficiency for a wide range of jewelry‑making tasks.

Key Benefits:

  • Exceptional Durability: M2 steel construction retains edge and hardness far longer than conventional steel burs.
  • Superior Cutting Efficiency: The precision spiral‑cut flutes allow fast material removal with minimal effort and less clogging.
  • Versatile Applications: Perfect for setting stones, carving detail, polishing metals and shaping plastics or wood components.
  • Easy to Use: Works with most standard handpieces thanks to the universal 3/32″ shank size — no adapters required.
Features
  • Premium High‑Quality Steel Construction: Made from top‑grade steel for robust durability, ensuring long life in demanding jewelry‑making and metal‑working applications.
  • Bud‑Shape Design for Effective Material Removal: The “bud” head shape enables efficient deburring, polishing, and engraving by providing good contact area and predictable control.
  • Sharp, Durable Cutting Edges: Precisely machined steel edges allow for fast, clean cutting, grinding, and shaping across different materials—metal, wood, plastics, ceramics.
  • Wide Size Range (Bud #2‑14 / 6‑26 Even): Offers a convenient set of head diameters to match a variety of tasks—from fine detailing to moderate material removal—providing flexibility in your toolkit.
  • Standard 3/32″ Shank Diameter: Fits most rotary handpieces and tools without the need for special adapters—ensuring compatibility with your current equipment.
  • Ideal for Deburring, Polishing & Engraving: Great for smoothing rough edges, finishing settings, and detailed engraving work in jewelry‑making and precision metal‑shaping.
  • Versatile Use Across Professional and Hobbyist Applications: Suitable for both industrial‑grade metal‑working and fine hobby/craft jewelry tasks—one set covers a broad workflow.
  • Excellent Concentricity and Balanced Rotation: Designed for smooth operation with minimal vibration, which improves finish quality and user comfort over long sessions.
  • Excellent Value Set: With a range of sizes included, you get the flexibility of many head‑diameters in one package—making the set cost‑effective for professionals or dedicated hobbyists.
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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