Material Number 6196991ISO Catalog ID APMT1604PDRGrade WU20PMCutting Edges per Insert 2[L10] Insert Cutting Edge Length 17 mm[S] Insert Thickness 4.76 mm[BS] Corner Facet Length 1.38 mm[Rε] Corner Radius 0.8 mmAverage Chip Thickness [HM] 0.05 mm