The industrial diamond hollow drill made of stainless steel and diamond coating from sintered material provides high cutting ability and tool life.
The drill has an external thread (Continental) R ½ inch and a connection with a spanner size of 22 mm / 10 mm wide.
Application note:
Drill speeds: ø 2-4 mm = 4000-5000 1/min - ø 5-15 mm = 2000-3000 1/min - ø 16-26 mm = 1500-2000 1/min - ø 27-50 mm = 500-1500 1/min - ø 55-100 mm = 300-800 1/min