Ruko step drill sp tialn gr.4 6-26,75 mm6L300724
Ruko step drill hss sp gr. 5, tialn9H244895
Ruko step drill hsse gr. 8 7/8"7K155128
Ruko step drill hss sp gr. 3, titan0W898584
Tecwerk Step drill drill. range 12-20 mm HSS, straight-fluted no. of cutters 2 no. of st4V454595
Fabory Step drill Spiral Fluted with Split point HSS 4-8 6,0-26,75MMU6315.006.268
Fabory Step Drill 6-32mm HSS 10mm ShankU6315.006.032