Mountain 13 Step Drill Bit  55150
Features
and Benefits:
  - Zirconium coating reduces
wear for a longer tool life
- Premium High Speed Steel
- Designed to cut through thin
hard metals
- 13 step cuts holes from 1/8"
to 1/2", 1/8" step depth
- 1/4" shanks fit all popular
drills
Step Drill Bits are for cutting
ferrous and non-ferrous metals, plastics and wood up to 1/8" thick. Its
double flute design reduces chatter and deburrs holes.
Mountain 
55150 Mountain 13 Step Drill Bit                 
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