Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design6Y333291
Ruko step drill hss gr. 097W250019
Ruko step drill hss sp gr. 9, tialn3X546849
Ruko step drill hss tin gr. 2 1/8-1/2"3Y466748
Ruko step drill hss tialn gr. 143Y924914
Ruko step drill hss tialn gr. 8 7/8"3Z986753
Ruko step drill hss sp gr. 8, titan9N938607
Ruko step drill hss gr. 3 1/4-3/4"9O380115
Ruko step drill hsse gr. 9 7/8-1 1/8"9P447909
Ruko step drill hsse gr. 6 7/8-1 3/8"9X819983
Ruko step drill hss 30-40 mm8B198653
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 gr. 21Q605893
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 tin gr. 8 7/8"4O131147
Ruko step drill hss gr. 2 1/8-1/2"2G684389