Which Step Drill Unibit is Best?

DeWalt, Milwaukee, Bosch, Irwin, Diablo, Makita, Bauer

Best Unibit Step Drill Bits
Best Unibit Step Drill Bits

Step drill bits are tested tested for speed and durability using mild and medium hardness steel.:

  • DeWalt,
  • Makita,
  • Milwaukee Shockwave,
  • Temo,
  • Bosch Turbo,
  • Lenox VB8,
  • Hercules,
  • Diablo,
  • Irwin,
  • Klein,
  • Harbor Freight Drillmaster,
  • Heiko, and
  • Bauer.

Then, in the ultimate test for quality and brawn, Project Farm tests the top 7 Step Drill Bit brands for cutting speed and durability on AR400 armor plating.

Speed and durability are compared to a DeWalt and Bosch drill bit (twist drill).