Hole saw bi stone, Dewalt, 25x350 mm, 1/2"

Diamont special core bit professional for concrete 25x350mm, hold with male fillets 1/2". 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.