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.
Highlights:
- Shank Diameter : 1/4
- Flute Length : 1-1/2 to 2-3/4
- Material : Tungsten Carbide Tipped
- Shank Type : Round Shank
- Number in Package : 4 Pieces
- Usage : Drilling Porcelain Tile
- Set includes 2 each : 5/32 and 1 each : 3/16. 1/4
- Ideal for drilling porcelain tiles up to a scratch hardness of 8
- Rotary drilling only
- Chrome vanadium steel shank
- Unique 4-face point grinding
- Extreme low drilling pressure with excellent centering prevents walking – no tape or center punching needed
- Diamond ground PORC+ cuts nice. clean holes with very little or no chipping
- Cuts nice. clean holes with very little or no chipping; operate drill motor 400-600 RPM
- Number in Package: 4
- Carded
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