... abrasion resistance.Ideal for drilling in steel, stainless steel, heat resistant steel, cast steel, sintered metal, and super alloys ... spindles rotate counterclockwise.Application: For drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous ... -reinforced plastic and other duroplastics, high-tensile steel, chilled, cast steel, manganese steel, bronze, light metals and non-ferrous ...