• The cobalt tungsten Diamond ground carbide tip is ideal for drilling porcelain tiles up to a scratch hardness of 8.
• Unique 4-face point grinding extends the drill bit life.
• A flat bottom parabolic flute ensures fast and efficient removal of the drill dust and prevents clogging.
• Drill bit shank is made from the finest chrome vanadium steel allowing for greater flexibility.
• Extreme low drilling pressure with excellent centering prevents walking – tape or center punching is no longer needed.
• PORC cuts nice, clean holes with very little or no chipping.