Porcelain Drill Bit & Pilot - 1/4 inch

Description:

Item # 10KAKHUPC: 722793014353
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