ArtuUSA 01435 Porcelain Drill Bit & Pilot - 1/4 inch
PORCELAIN PLUS BITS
- Drill porcelain tiles up to #8 scratch hardness
- Extreme low drilling pressure
- Will not walk - no tape or center punch needed
- 4-face cobalt & tungsten carbide bit tip
- Ground double flute for fast dust removal
- Use smaller pilot drill first-then porcelain bit
- Operate drill at 400 to 600 rpm
- Cut clean holes with very little or no chipping
Shipping
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