Milwaukee SHOCKWAVE 3/16 to 7/8 in. S High Speed Steel #4 Impact Step Drill Bit 1 pc

Milwaukee's Shockwave Impact Duty Step Bits are engineered to deliver the most durable and fastest holes in the market. The 1/4 in. hex shank with an optimized Shockzone provide the industry's most durable shank, reducing early shank breaks. A Titanium Aluminum Nitride (TiAlN) coating helps deliver 5x longer life.
Optimized for impact drivers, drill/driver compatible
The optimized Shockzone reduces early shank breaks
The Rapid Strike Tip provides fast and accurate starts
A dual spiral flute combined with the Rapid Strike Tip delivers up to 2x faster holes than competitive impact step bits
12 steps with laser engraving for clear stop on size identification