EZARC Step Drill Bit for Metal 1/4"- 1-3/8" M35 Cobalt Step Drill 3/8'' Shank Spiral Flute Drill Bit

EZARC Step Drill Bit for Metal 1/4"- 1-3/8" M35 Cobalt Step Drill 3/8'' Shank Spiral Flute Drill Bit

Aliexpress UK