These cutters are used for cutting dovetails angular surface etc.Have teeth on the angular face on the side adjacent to the large diameter.These cutters are available inether  left or right hand.

Dimensions in mm
(They can also be manufactured as per US and EU standard sizes and specifications)

Diameter of Cutter Bore Width Angle in Degree
50 16 12 60,65,70,75,80 & 85
63 22 18
63 22 26 70,75,& 80
80 22 32
100 27 36