Drill Bit Cobra Step DIN 338 ( 1.0 mm)

Unalloyed steel and steel up to 1000 N/mm², non-ferrous metal, aluminum, PVC, Plexiglas, wood

Ideal for through-holes through pipes, sheet metal, PVC and aluminum profiles (window frames) with hand drills

Drilling for rivets or bolts

Reaming existing holes

• Faster drilling progress compared to other DIN 338 twist drills with stepped head
  • Very sharp, easy-cutting drill tip with short chip path to the shaft
• Perfectly round holes
  • New head with innovative step geometry
• No snagging at the end of the borehole
• Almost burr-free drilling on both sides of the material
• Very good self-centering, especially on curved surfaces (pipes) or inclined surfaces
  • Head with center drill
  • No punching necessary
• No slipping in the drill chuck
  • 3 flank shaft