ARTU 3/8 In. x 5-5/16 In. Cobalt and Tungsten Carbide Glass & Tile Drill Bit Pack options:Pack of 1 This versatile tool combines durability

This versatile tool combines durability with practical design

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3450 max rpm (revolutions per minute)

Used by MIlgard as well as other manufacturers primarily on vinyl patio doors

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ARTU 3/8 In. x 5-5/16 In. Cobalt and Tungsten Carbide Glass & Tile Drill Bit Pack options:Pack of 1 This versatile tool combines durabilityUnique 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