KYOCERA Milling Insert, 2-Notched Edge Single Sided, SPMT Insert, 1806 Insert, Squared Shape, 0.709 in Inscribed Circle, 1/4 in Thickness, 0.709 in Width, 0.709 in Length, NB2 Chipbreaker, 0.122 in Corner Radius, Positive Rake, 90 deg Lead Angle, 0.268 in Diameter Hole, Manufacturer's Grade: PR1230, ANSI Code: SPMT1806EDERNB2 PR1230, ISO Code: SPMT1806EDER-NB2 PR1230, Right Hand of Insert, Carbide, MEGACOAT, Material Grade: P, Free-Cutting Steel, Carbon/Alloy Steel and Mold Steel Material Application