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. 3, tialn4I570349
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 gr. 21Q605893
Ruko step drill hsse gr. 2 1/8-1/2"0T006608
Ruko step drill hss tin gr. 146F067731
Ruko step drill hss tialn gr. 166G232413
Ruko step drill hss sp gr. 1, tialn6J771203
Ruko step drill hss gr. 3 1/4-3/4"6K129409
Ruko step drill hss-e sp gr. 09, 4-12 mm6L473409
Ruko step drill tialn gr. 6 7/8-1 3/8"6W162486
Ruko step drill hss-e 6.5-32.5 mm6X382479
Ruko step drill hss gr. 9 7/8-1 1/8"3L860000
Ruko step drill hss tin gr. 8 7/8"4O131147