Milescraft 2330 Euro Hinge Bit – 35mm Boring/Forstner Bit for Drilling Concealed Hinge Holes. Tungsten Carbide Blade Tips Quickly Create Clean, Smooth Hinge Cup Holes. Works with Euro Hinge Jig - - Amazon.com
Famag Bormax HM Prima 1664506 Drill Bit Set 6-Piece Including Centring Point and Auger Drill Bit Extension with Wooden Box Grey
FAMAG Famag Hss-G Set of 19 Twist Drill Bits for Wood