Bosch EXPERT SDS plus-7X Hammer Drill Bit Set 6/8/10mm 3-pc 2608900196
EXPERT SDS plus-7X for Long Life Drilling Reinforced Concrete. Lasts up to 3x longer than Bosch SDS plus-3 Drill Bit. Drilling through reinforced concrete is a tough job, and it has traditionally taken its toll on drill bits.