grooving cutter bore 31,75mm (1-1/4 inch) TYPE B - 180 x 7.65 Z2

Cutterhead with HW reversible knives and spurs for making thin precision grooves. 
The central element (type B) fits two standard disposable knives of 7,65x12x1,5 mm. 

can be combined with Type A milling head with the same diameter and bore.