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 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 gr. 097D841246
Ruko step drill hss-e gr.9, 6,0-37,0mm7D874376
Tecwerk Step drill drill. range 4-20 mm HSS spiral-grooved no. of cutters 2 no. of steps7N874361
Tecwerk Step drill drill. range 20-30 mm HSS, straight-fluted no. of cutters 2 no. of st7Z885091
Tecwerk Step drill drill. range 30-40 mm HSS, straight-fluted no. of cutters 2 no. of st5H633095
Ruko step drill sp gr.11, 6,0-25,0 mm4K689046
Ruko step drill hss-e gr.5, 4-39,0 mm2N128288
Ruko step drill hss gr. 1 3/16-1/2"2R479119
Ruko step drill hsse gr. 1 3/16-1/2"2Y236803
Ruko step drill hss sp gr. 8, tialn7U250291
Ruko step drill hss sp gr. 09, titan7W057468