Home Tools Bosch GT400 5/16-Inch Carbide Tipped Glass, Ceramic, Tile Drill Bit Set $21.13 Tools Bosch GT400 5/16-Inch Carbide Tipped Glass, Ceramic, Tile Drill Bit Set $21.13 By ARCOM - 16 January 2021 70 0 SHARE Facebook Twitter Go to the deal page: Bosch GT400 5/16-Inch Carbide Tipped Glass, Ceramic, Tile Drill Bit Set $21.13