Carbide Bit for small diameter holes in porcelain, stone or ceramic tile
For drilling screw anchor holes for shower doors, towel bars and other fixtures.
- Special carbide tip ensures accurate holes and eliminates drill bit wander.
 - Life expectancy of the PTB Carbide Bits in Porcelain tile is 30-40 holes with proper usage. When product life is exhausted in porcelain, the PTB Carbide Bit can be used in softer grade materials.
 - The No. PTC-WFC Water Feed Clamp Kit provides the necessary supply of pressurized water for bit cooling.
 - Holes can be drilled in as little as 20 seconds.
 - The PTB Carbide Bits are designed for use in tile only . If drilling in installed tiles, use the correct size masonry bit for drilling the substrate behind the tile.
 - Maximum depth of cut is 1/2".
 - CAUTION: Must use a constant supply of pressurized water, 1/2" Drill using 700-900 rpm drill speed and rotary action only.