Ruko step drill hss sp gr.17 6.5-40.5 mm1M519796
Ruko step drill hss tialn gr.21M817314
Ruko step drill hss sp gr. 1, titan2J486844
Ruko step drill hss tin gr. 4 3/16-7/8"2K614577
Ruko step drill hss sp gr. 7, titan2K721089
Ruko step drill hsse gr. 7 3/8-1/2"2L028196
Ruko step drill hss gr. 12L733601
Ruko step drill tialn gr. 4 3/16-7/8"2M270370
Ruko step drill hss sp gr. 11, tialn5C365326
Ruko step drill hss tialn gr. 178Z128296
Ruko step drill hss sp gr. 7, tialn7D789264
Ruko step drill hss gr. 097D841246
Ruko step drill hss-e gr.9, 6,0-37,0mm7D874376
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