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Patented 4CUT tip to ensure fast start and reduced installation torque
extension (not included)
Requires 2-1/8" diameter crossbore hole and 1" diameter edge bore
Various sizes in single strength (SSB)
Compatible with 100
ARTU 3/8 In. x 5-5/16 In. Cobalt and Tungsten Carbide Glass & Tile Drill Bit spirit ii 300 Patented 4CUT tip to ensureUnique point grinding allows for extreme low drilling pressure with excellent centering. Drill bit will not walk. Tape or center punching is no longer needed. Nice, clean holes with little to no chipping and long drill bit life. Ground double flute ensures fast and efficient removal of the drill dust and prevents clogging. The bit is ideal for drilling porcelain tiles up to a scratch hardness of 8. The unique 4 face point grinding extends the drill
