The SHOCKWAVE™ Impact Duty™ #3 3/16 - 3/4" Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. The ¼” hex shank has an optimized SHOCKZONE™ body, reducing early shank breaks. A Titanium Aluminum Nitride coating extends the life of the bit, while the Rapid Strike™ tip and dual spiral flute produce holes twice as fast. The 3/16 - 3/4" step bit features 10 steps with laser engraving for a clear stop on size identification.
