Inch Inch GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex A Symbol Cutting edge angle Symbol Description B A 45° Symbol Relief angle HM General-purpose high feed milling chipbreakerMMGeneral-purpose milling chipbreaker D 60° A 3° Symbol Cutting edge ShapeE75°B5°F85°C7°FSharp MW Milling insert with wiper edgeBMilling insert for burr removalDInsert with diamond sintered bodyCWWiper insert (multiple corners) G 70° D 15° WS Wiper insert (single corner) H 87° E 20° E RoundP90°F25° WD Wiper insert (with diamond sintered body)BDWiper for burr removal (diamond sintered body)D U Special, smallentering angleGN 30°0° T ChamferZSpecial,universalP11°ZSpecialSCombinationCutting edgeangleRelief anglePCombinationMJGeneral-purpose milling chipbreakerMHMilling chipbreaker with reinforced cutting edgeMLMilling chipbreaker for low cutting forceSymbolHand ofinsertMSMilling chipbreaker for stainless steelRRightHJHigh feed milling chipbreakerAJMilling chipbreaker for non-ferrous metalELLeftNMJ General-purpose milling chipbreaker with serration 7 Cutting edge angle 8 Wiper reliefangle 9 Major cutting edge N Without NAJ Milling chipbreaker with serration for non-ferrous metal10 Hand insertof11Supplementary symbolF 605 7G 8N 9E 10 11R-MJ G 2 Z T N 16 H 6 7 9 10 11 I 4 Groove and hole 5 Inscribed circle (I. C.) 6 Thickness 7 Corner radius Symbol Shape of hole HoleAWithoutWith Symbol I. C. dia.(mm) Symbol Thickness (mm) Symbol Corner radius(mm)39.52523.1810.4 (0.397) J F Double side Without 4 12.7 3 4.76 2 0.8 (0.794) G Double side With 5 15.875 4 6.35 3 1.2 (1.191) M Single side With 6 19.05NWithoutWithUWithoutWithout6 9.52 4 1.6 (1.588)52.0 (1.984)62.4 (2.381) K W Without With Symbol Description F Special design(e.g. for MS cutter) L H Chamfer for corner angle 60 S Chamfer for corner angle 15*For wiper inserts, the designation uses “W” as the shape symbol of inch items. For metricM items, the shape symbol is the same as that of regular inserts, and a supplementary Z symbol, such as W, WS, and WD, is at the end of each designation. Flat chamfer Tungaloy H007