(A) Dia : 28.6
(B) Flute Length : 12.7
(C) Overall Length : 67 Measurments are in mm
ROUND OVER 5/16 W/BEAR D/F - Gives extra smooth chatter free cuts due to precise tool geometry. Can be converted to a Beading bit by using bearing TB 9. Carbide Tipped, Two Flutes with Ball Bearing Guide, 1/2" Shank, 7.9mm Radius.