10 Step Step Bit 1/4" to 1-3/8" shank Spiral Flute

10 Step Step Bit 3/8 shank Spiral Flute
Head design X TYPE
To fix the tip on correction position while drilling and durable.
It is perfect and convenient for worker to drill multiple-size hole with a single step drill bit.
Diameter marked on the drill bits.
Drill multiple size holes with one bit, no changeover required
- Split point tip for easier starts
- HSS

- 10 Steps
- 3/8" shank
- 2-3/4" overall length
- Size: 1/4" to 1-3/8"