Machinable materials:Aluminium.Other non-ferrous metals.Refractory materials.Cobalt-based alloys.Nickel-based alloys.Nickel or titanium-based superalloys.Hard non-ferrous metal.Bronze.Titanium.Titanium alloys.Soft titanium alloys.Soft non-ferrous metal.Stainless steel (INOX). Application:Sanding.to‰burring.Cleaning.to‰ remove traces of heating.Degreasing.derusting.to‰ remove oxidised layers. Thread: M14 diameter: 60mm