Bosch Glass and Tile Bit, 4-Piece, Precision Ground, Series: GT Series, 1/8 in Diameter, 2 in Overall Length, 1/8 in Shank, 3 Flat Shank, Tungsten Carbide Cutting Edge, For Relief Holes for Glass Cutting, Bathroom/Shower Installs, Towel/Shower, Rods and Soap Dishes, Drilling and Fastening Mirrors and Setting Concrete Screws-In Tile
Smooth drilling in glass, tile, mirrors, and ceramics. Ideal for use when fastening items to tile. Easily resharpened. For all 3/8" or larger drills.
Carbide tipped for long life with spear pointed tip that reduces breakouts when drilling from 1 side. Provides smooth, accurate drilling in applications such as ceramic tile, mirrors, glass, marble tile, vitrolite and china.
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.