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Bihui Tools Diamond Countersink Bits

by BIHUI
$36.00
SKU DMC238A

Diamond countersink bits are designed to enlarge, bevel and ease stress in rough drilled tile holes. 

  • Reduces the risk of stress related cracking where large format tiles are subjected to tension.  
  • Clean up finished edges of exposed tile around floor drains or other protrusions.   
  • 5/8"-11 threaded arbor  
  • Medium grit
  • May be used wet or dry