core bits for stone granite marble

  • Precio unitario por 
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  • For drilling stone granite and marble.
  • Size is 1/4-3" in diameter.
  • Shank size is 1/2".
  • Total length for the bit is 3.5" with 1.5" drilling depth.
  • 50/60 grit diamond
  • Wet use recommended for longer life and faster cutting.