5/16″ Pro Wet/Dry Diamond Drill Bit

The QEP 5/16 in. wet/dry diamond drill bit is designed for the easy, fast and accurate cutting of porcelain, ceramic and glass tiles. Perfect for cutting holes for shower door, towel bar, cabinetry and shelving installations. Simply dip the diamond drill bit into water and drill the desired hole for professional quality and results. The QEP 5/16 in. wet/dry diamond drill bit features a special diamond grit edge for faster and smoother cuts, while using less water than conventional diamond drill bits.