Bosch 5/16 X 10 X 12″ SDS-plus Bulldog Extreme Bit

Outstanding Lifetime in Rebar
Four-cutter full head carbide design – delivers up to 4X life in concrete with rebar (vs. Hawera® SDS-plus® 2-cutter concrete drill bit)
For rotary hammer drills
Fits all SDS plus rotary hammer drills.
Four-cutter head – provides four cutting edges to hit rebar, to help prevent the bit from getting stuck
Full head carbide – improves strength of the bit tip, reducing breakage upon hitting rebar
Centering tip – ideal for drilling anchoring holes to enhance the precision of hole placement
Integrated wear mark – indicates when the bit has been fully worn
Variable (4-2-2) flute design – aggressively pulls dust away from hole to reduce heat build up, providing more holes per battery charge (compared to standard four-flute design)
Bosch-made carbide – promotes quality material for increased durability
SDS-plus® bit design – for use with SDS-plus® rotary hammers