Yu Xuanjie Tools
Machine ground High Speed Steel Titanium Nitride Coated
Diameter at largest area at top: 20 mm, 22mm, 24mm
Length of Cut: 60 mm
Shank Diameter: 12.7 mm / .50 inches
This is for Advanced Users for Freehand drilling and has a full relief ground on the backside. It can be used as a drill first option as well.