BOSCH Hex Shank Drill Bit, 7/16 in, Drill Bit Point Angle 135 °, Drill Bit Point Type Split Point - 53DM62|TI4155IM - Grainger
Bosch Professional 35 pieces MultiConstruction Drill Bit & Impact Control Screwdriver Bit Set (Pick and Click, HEX-9, Accessories for Impact Drivers) : Amazon.co.uk: DIY & Tools
BOSCH Hex Shank Drill Set, Number of Drill Bits 9, 135 °, Conventional Point, High Speed Steel - 53DM65|TI9IM - Grainger