Cobalt End Mill, Grade General Purpose, List Number HGC4CTC, Standard, End Style Square, End Single, Dimension Type Fractional Inch, Diameter 1/4 In., Shank Dia. 3/8 In., Length of Cut 5/8 In., Overall Length 2-7/16 In., Number of Flutes 4, Center Cutting Type, Cutting Direction Right Hand, Helix Angle 30 Degrees , Corner Radius 0, Finish TiCN, Application For Periferal Cuts on Cobalt, Nickel, Austenitic Alloys, High Tensile Steels 40 to 55 HrC, Stainless Steel and Titanium Alloys. This item has been restricted from sale in the following state(s): []