Core drill made of heavy-duty high speed steel. Suitable for steel (such as T-brackets, large sheets), cast iron, non-ferrous and light metals. 7-piece set of core drills with weldon shank (3/4") 6 core drills with weldon shank (3/4") Ø 12,0 mm - 14,0 mm - 16,0 mm - 18,0 mm - 20,0 mm - 22,0 mm + 1 ejector pin Ø 6,35 mm x 77,0 mm for cutting depth 30,0 m