ARTU 5/16 In. x 4-1/2 In. Cobalt and Tungsten Carbide Glass & Tile Drill Bit rotisserie crisping basket 16 Deflection Standards when installed

16 Deflection Standards when installed with center supports

Adhesive collated straight strip

speed control and dust blowing function

L-beam design

ARTU 5/16 In. x 4-1/2 In. Cobalt and Tungsten Carbide Glass & Tile Drill Bit rotisserie crisping basket 16 Deflection Standards when installedUnique 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