Feature●Processing material: Iron plate, copper plate, stainless steel, aluminum, plastic (up to 0.2 inch (4 mm) )●Tier Width: 4 mm / Number of Tiers: 14 / Shank Diameter: 0.25 inch (6.35 mm) / Drill Dimensions: 0.16 / 0.39 / 0.47 / 0.47 / 0.12 / 0.59 / 0.87 inch (4 / 6 / 8 / 10 mm)●Non-coated●High speedDescription
Made of high grade material that allows for stable drilling without any load and bibing.