Yudanny Rotary Burr Set Durable Reliable 8pcs Tungsten Steel Rotary Files for Grinder Drill Metal Wood Carving Engraving
- Tungsten steel grinding head: mainly used on pneumatic or electric drive tools, the speed is generally 6000- 50000 rpm.
- It can process various metals ( including hardened steel ) and non- metals ( such as marble, jade, bone ), and the processing hardness can up to HRC70..
- High production efficiency, dozens of times higher than processing efficiency with files, and nearly ten times higher than processing efficiency with small grinding wheels with handles..
- The product has good processing quality, high smoothness, and can process high-precision mold cavities of various shapes..
- Long service life, ten times higher than the durability of high-speed steel cutters, and more than 200 times higher than the durability of small grinding wheels..