Ruko step drill sp gr.12, 6,0-32,0 mm8J168659
Ruko step drill tialn gr. 9 7/8-1 1/8"8S331489
Ruko step drill hss sp gr. 6, tialn8U269987
Ruko step drill hss sp gr. 11, titan8V131246
Ruko step drill hss tin gr. 1 3/16-1/2"9Q580322
Ruko step drill hss sp gr. 05, tialn9R925909
Ruko step drill hss gr. 12, tialn9V383937
Ruko step drill hss sp gr. 1 tin3G125971
Ruko step drill hss sp gr. 3, tialn4I570349
Ruko step drill hss sp gr. 2 tialn7X185153
Ruko step drill hss gr. 6 7/8-1 3/8"0Q339190
Ruko step drill hss-e sp gr. 2, 4-30 mm2B309659
Ruko step drill hss tialn gr. 095S635982
Ruko step drill hss gr. 5 5/16-1"6V376379
Ruko step drill hss sp gr. 9, titan5V096804
Ruko step drill hss tin gr. 10R299702
Ruko step drill hss gr. 21Q605893
Ruko step drill set hss 1013261Z251473
Ruko step drill hsse gr. 2 1/8-1/2"0T006608
Ruko step drill hss tin gr. 146F067731