Bits are carbide tipped for long life in tough applications. Centric conical tip guides bit through concrete and provides optimal hole geometry. Wear mark alerts user when bit is no longer precise. Longer life in rebar vs. standard bits.
- Diameter: 1/4-Inch, Useable Length: 3-1/2-Inches, Overall Length: 6-1/2-Inches
- Flute design optimized for fast dust removal
- Designed for fast drilling into concrete
- Optimized brazing and hardening process for long life