Artu 01425 Porcelain Tile Bit 5/32 By 3-1/8 Inch Overall Chrome Vanadium Steel,Each

Key Features 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 Extreme low drilling pressure with excellent centering prevents walking Diamond ground PORC cuts nice, clean holes with very little or no chipping For rotary drilling only. Includes 5/32 pilot bit which must be used first. Ideal for drilling porcelain tiles up to a scratch hardness of 8. The drill bit will not walk, tape or center punching is no longer needed. Flat bottom parabolic flute ensures fast and efficient removal of drill dust and prevents clogging. Cuts nice, clean holes with very little or no chipping; operate drill motor 400-600 rpm. The cobalt tungsten 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. For rotary drilling only. 5/32 pilot bit must be used first. Ideal for drilling porcelain tiles up to a scratch hardness of 8. The drill bit will not walk, tape or center punching is no longer needed. Flat bottom parabolic flute ensures fast and efficient removal of drill dust and prevents clogging. Cuts nice, clean holes with very little or no chipping; Operate drill motor 400-600 RPM.