Rubi DRYGRES Drill Bits

Dry core bit to drill porcelain, granite and marble 5/8" female arbor, fits on high-speed & variable speed angle grinders. Very fast cutting on granite and engineered stone

DRYGRES Drill Bit Features:

  • For drilling of ceramic tile, porcelain and stone 
  • 5/8"-11 thread female arbor fits angle grinders
  • Maximum Speed 14,000 RPM
  • Available sizes: 1/4", 3/8", 1-1/8", 1-3/8", 2"
  • Vacuum brazed diamond set in vacuum for greater durability
  • Vacuum brazed bits can be used wet or dry
  • Drill bit body made of highly resistant steel
  • Air cooling slots for increased cooling and core removal
  • Usable with grinder (direct connection) or electric drill (adapter part no. 05976)

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Most Helpful Reviews


Great drill bits to use in the grinder

I used it in the grinder to drill hard porcelain tile and the performance was really good. Very easy to use and cuts look great!

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