Bosch power change adaptor sds plus shank with hss co pilot drill bosch 2608584815 p these power change adaptors from bosch have sds plus shanks and are supplied with a hex shank centre bit p p power change adaptor sds plus shank power change adaptor with sds plus shank with hss co pilot drill bit for holesaw diameter of 16 152 mm p bosch 2608584815 power change adaptor sds plus shank with hss co pilot drill