Hole saw bi stone, Dewalt, 200 mm, 1/4"

Diamont special core bit professional for concrete 200x400mm, hold with female fillets 1-1/4". Used to open holes in all types of concrete. Built with steel material and diamond teeth provides a fast cut, clean and efficient. During drilling core bit should be wet all the time with water. Diamont core bit with high quality and longevity.