DescriptionFamag series 3692 Multidiameter HSS Step Drill 4-20mmTwo edged hole cutter for metal sheet, cylindrical gradation, chip groove with scale of diameter Shank diameter 8mmOverall length 73mmIdeal RPM, approx. 1000 rpm, basis non-ferrous metal For working without pre-drilling and burring by the next grade at the same time Also suitable for thinnest sheet metals. No pre-drilling necessary, burr-free working without “chattering” packing unit = 1, PE tube
