Bosch 2608902257 Expert Multi Construction Drill Bit 6 X 90 X 150Mm Description:The Bosch 2608902257 Expert Hex-9 Multi Construction Drill Bit Is Designed For High-Precision Drilling Across A Wide Variety Of Materials Including Granite Concrete Brick Tile Wood And Metal. With A 6Mm Diameter 90Mm Working Length And 150Mm Total Length This Bit Features BoschS Centering Geometry And A Specially Designed Centring Tip For Accurate Starts And Reduced Wandering. The High-Performance Carbide Tip Is Precision-Ground For Long Life And Efficiency While The Hex Shank Ensures Strong Slip-Free Engagement With Both Rotary And Impact Tools. This Model Replaces2608900575.Specifications: Diameter: 6 Mm Working Length: 90 Mm Overall Length: 150 Mm Shank Type: 1/4" Hex Application: Concrete Brick Granite Tile Wood Metal Features: Up To 5X More Precise Than Standard Bosch Cyl-3 Drill Bits Sharp Centring Tip Prevents Skidding For Accurate Starts High-Performance Carbide Tip Ensures Durability And Fast Drilling Optimised Dust Extraction Channel For Efficient Performance Hex Shank Provides Strong Grip And Maximum Torque Transfer Suitable For Drilling In Multiple Materials Without Changing Bits Perfect For Demanding Tasks On Modern Construction Sites See `More Information` below for sizing and Colour detailsPTDTSADIRBOS2608902257"