Bosch Hammer Drill Bit HCBG27T 1 Inch Carbide Masonry Cutter (3/8 Hex Shank 12 Inch Length High Speed Concrete Brick Impact Percussion Drilling) SDS-Max Drill Bits Service Minder™ Light Indicator: Illuminates

Bosch Hammer Drill Bit HCBG27T 1 Inch Carbide Masonry Cutter (3 8 Hex Shank 12 Inch Length High Speed Concrete Brick Impact Percussion Drilling) SDS Max Drill Bits Service Minder™ Light Indicator: Illuminates Service Minder™ Light Indicator: Illuminates automatically when preventative carbon brush maintenance is required to prevent motor damage Exterior Wood and Fiber Cement Siding: Fastening cedar shakes implement a regular pull back clearing motion while the upgraded 3 8 inch hex shank system locks securely into high torque impact drivers or hammer drill chucks to transmit maximum operating torque without rotational slippage