Dry Diamond Core Bits



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Great For Making Holes Through Block

Zig Zag Dry Core Bits

Features Zig Zag laser welded turbo segments and a special barrel with cooling slots and spiral grooves.

Fast and cooler drilling in non-reinforced concrete block and masonry materials. No water needed for easy clean up. Main applications include drilling for pipes or dryer vents in block or masonry walls.

Bit is 9″ long with 5/8″-11 thread for use on an Angle Grinder.


  • Professional Grade Quality
  • Dry use only
  • Various Materials: Non-Reinforced Concrete, Brick, Block
  • Equipment: Angle Grinders

  Questions or concerns? Volume discounts available! Feel free to call or email!