Diamond Products Premium Black Thinwall Wet Core Bit 1-7/8x22 18223 SVK0_I5JBL97

POL-General Purpose, Fast Coring, Longest Life. Not designed for dripping in material with reinforement. With very high diamond concentration, premium black gives maximum footage and drilling speed in all types of wet drilling applications. Note: All diameters are nominal. All thinwall bits have a 5/8in-11 hub. Other specifications available upon request. 1/2in to 7/8in = 12in core length-1in and up = 13in core length. Exact tolerances upon request.