DiamondSure 4pcs Wet Porcelain Drill Bits, 1/4", 5/16", 3/8", 1/2"
  • Wet diamond drill bits for hard porcelain & glass tile.
  • Use with adjustable hole saw guide.
  • We tested this bit in hard porcelain and the result speaks for themselves!
  • Drop water on area where hole is made.
  • Start drilling hole applying very little pressure.

    Do not push straight down
  • Make sure water is sufficient to wet bit.
  • DiamondSure bits can be used in any standard variable speed drill.

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