Irwin Tools 4935445 1/4" x 4" x 6" Speedhammer SDS+ Power Masonry Drill Bit
- Optimized for cutting through rebar-reinforced concrete at high speeds. Premium steel delivers increased core strength, durability and bit life
- Twice the carbide in the tip compared to other masonry bits, for 2x longer bit life
- The flute has an outer groove that quickly removes dust and dissipates heat, increasing drilling speed and extending bit life
- Shank fits all SDS Plus and Hilti TE-C rotary hammers.
Aeronca x 20 all