Shank Diameter: 12.7mm (1/2")
 
Shank Length: 40mm (1 5/8")
Cutter Diameter: 20mm (13/16")
Cutter Height: 10mm (3/8")
Standard Bearing: 13mm
This cutter has the reversed profile of the classical bit
Can be used for beading by changing the bearing to B9 type
Unequal size radii not suitable for joints