Trend 2/6X1/2TC Single flute cutter 6.3 mm diameter Eccentric single fluteEccentric single flute cutters. Cutters are chosen for fast free cutting, when cutting speed takes preference over finish. Cutters with prefix S are Solid Carbide. Cutters of 2.0mm diameter and below should have a maximum of 1.0mm depth of cut per pass. Small diameter tools must be handled with care to avoid breakage. Single flute cutters should not be used in eccentric chucks.Specification-D1=1/4 inchesD1=6.3 mmC=19 mmOverall lng.=65 mmShank Diameter=1/2 inch