Step drill

Step drill bit by STHOR 22612.

Designed for drilling in high-grade stainless, structural and cold-rolled steel, non-ferrous metals, steel sheets,plastics.

• the edges of the drilled hole remain clean and without burrs
• the drill bit does not escape on rounded surfaces
• self-centering on rounded and slippery surfaces
  • the drill bit is easy to use./li>
  • fast heat dissipation when drilling in hard materials
  • made of HSS high-speed steel coated with titanium nitride
  • stepped in 2 mm increments
  • Cylindrical shank.