Bosch HC8055 Spline 4 in. D 17 in. x 22 in. Rotary Hammer Core

Maximum core size of 2-5/8 in. deep (dimensions are nominal)

Wave design transfers energy to bit more effectively for up to 40 percent faster drilling versus previous design,17 In. usable length, maximum core depth of In.,Integral shank for better power transmission,For masonry/concrete drilling,One-piece design