Karnasch Blue Line core drill 30 mm depth of cut with universal shank (19 mm shank)
The Karnasch durable coating is designed for longer tool life and to be used in tougher materials and application.
Blue-Line is the most commonly used Karnasch cutter. This is HSS-XE cutter is offering the best price-performance ratio for all steels up to 1100 N and stainless steel.