Replaces 2608579155Bosch Expert SDS-plus-7X Hammer Drill Bit 30 x 400 x 450 mm 2608900155 Bosch SDS-plus-7X drill bits are ideal for drilling holes in reinforced concrete. The Full Carbide Head on the Expert SDS plus-7X is an advanced 4-cutter design made from a single piece of the toughest metal: It doesn’t jam and presents no weakness on impact. FEATURES Extremely durable drill bit tip with Bosch Carbide Technology Punch through reinforced concrete with a 4-cutter Full Carbide Head Highly resistant drill tip connection with Bosch’s welding technology Fits all SDS plus rotary hammer drills SPECIFICATION Diameter: 30 mm Working Length: 400 mm Total Length: 450 mm Drill Bit, Designation: SDS-plus-7X Shank, Shape: SDS-plus Part Number: 2608900155