Grip Rite Comfortboard 3-in Dia Diamond Core Drill Bit for Core Drill/Core Drilling Machine

Alternate Tooth Beveled Edge (A.T.B) segment design allows faster drilling speeds and better bit tracking, Turbo segment allows for faster drilling speeds due to less drag, Laser-welded segments provice better durability and life under extreme drilling conditions', 14"/356 mm tall with a segmented rim, For Wet Use.