Combi HSS/metric step drill bit 231319

HSS step drill for metric through holes and tap holes, 6 tap hole diameters with 5 mm step length for sheet metal up to max. 6 mm, step length 3 mm with 6 diameters of through holes for material thickness up to max. 6 mm.
Grad of through holes:
8, 5 – 12.5 – 16.5 – 20.5 – 25.5 – 32.5 – 40.5 mm
Grad of thread holes:
10.5 (M12) – 14.5 (M16) – 18.5 (M20) – 23.5 (M25)
– 30.5 (M32) – 38.5mm (M40)