Step drill set dm 4-12/4-20/4-30 mm HSS spiral-grooved 3-part plastic box PROMAT2T008207
TECKWERK Step drill drill. range 4-20 mm HSS spiral-grooved no. of cutters 2 no. of steps7N874361
TECKWERK Step drill drill. range 4-12 mm HSS spiral-grooved no. of cutters 2 no. of steps0D811280
TECKWERK Step drill drill. range 20-30 mm HSS, straight-fluted no. of cutters 2 no. of st7Z885091
TECKWERK Step drill drill. range 30-40 mm HSS, straight-fluted no. of cutters 2 no. of st5H633095