Bosch Expert 7X 4-Cutter Head 3X Life SDS Plus Masonry Drill Bit 30mm 450mm Pack of 1

Lasts up to 3 times longer than standard drills - Reinforced concrete drilling is a difficult task that requires a lot from the drills. Normal drills with two cutting edges get stuck in the reinforcement and break off The solid carbide head of the Expert SDS plus-7X is an advanced 4-cutter made from one piece of the hardest metal: it does not jam and shows no weakness when impact drilling Thanks to Bosch carbide technology and solid carbide head, the Expert SDS plus-7X lasts much longer than normal hammer drills