The cordless TE 7-A rotary drill offers a 5/16- to 3/4-in.-diameter optimum drilling range, suitable for drilling anchor holes and through-holes, as well as light chiseling, in concrete and masonry.
Once the cement drop-in anchor is set, the contractor can insert a bolt or threaded rod and remove it as often as required. Material - Masonry screws are manufactured from carbon steel ...