Proxxon 28778 corundum grinding bits, inverted cone, Ø 7 mm, 5 pcs

Proxxon 28778 corundum grinding bits, inverted cone, Ø 7 mm, 5 pcs. Grinding accessories made from fine, high-quality corundum of consistent hardness for cast iron, cast steel, malleable cast iron, alloyed and heat-treated steels. Accurate shanks provide good concentricity. Select abrasive hardness for the material: harder grinding points for softer materials and softer points for harder materials. Pack of five bits, shank Ø 2.35 mm.