Bosch HC6521 SDS-MAX Thru-Hole rotary hammer bits drills all the way through without stopping. Aggressive tip provides fast break-through and large chip removal. The all-in-one core with SDS-MAX shank transmits power directly to the end of the bit.
1-piece£¬ thru-hole bits are designed for fast work without the need to change shanks
Additionally£¬ thru-hole bits are more economical due to their long line
Drilling depth is 24 in.
Diameter is 2-1/2 in.