MA Ford 64T100002, 4 PC 82 Deg CountersinkSet 1/4, 1/2, 3/4, 1 TiN Coated, Diameter: , Shank Diameter: , Overall Length: , Included Angle Deg.: 82, Base Material: HSS, Number of Flutes: 1, MPN: 64T100002, PKG QTY: 1 PC Description: MA Ford Series 61 HSS Uniflute Countersink. The original single flute countersink designed for general purpose countersinking, chamfering or deburring.