820801SET2 HSS Drill Set (1.0mm-10.0mm) x 0.5mm Increments (19pcs)

820801SET2

HSS

1.0mm-10.0mm X 0.5mm Increments

 (19pcs)

HSS - Drilling steels, cast steels alloyed and non-alloyed,

 grey cast iron, malleable cast iron and graphite.