Cutting speed Vc (m/min) BX360 Cutting speed Vc (m/min) CWh No symbol GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingEndmillDrilling ToolTechnical Reference C : Continuous cutting CBN Insert GROOVING INSERT L : Light interrupted cuttingH : Heavy interrupted cutting For TungCut P SteelMStainlessKCast iron RE 1 N Non-ferrous 7˚ INSL S Superalloy H Hard material CL Dimension (mm) Edge prep. Shape Designation Seatsize S HCW±0.025REINSLh 2 SGN SGN200-020  2 2 0.2 20 5 SGN200-020-S  2 2 0.2 20 5 SGN200-020-H  2 2 0.2 20 5 SGN300-020  3 3 0.2 20 5 SGN300-020-S  3 3 0.2 20 5 SGN300-020-H SGN400-020SGN400-020-S 3 3 0.2 20 5440.2205440.2205 3 SGN400-020-H  4 4 0.2 20 5 SGN500-020-S  5 5 0.2 25 5.5 SGN500-020-H  5 5 0.2 25 5.5  : Line up 4 5 6 ■ Application area of coated T-CBN grades 7 ᭹ Continuous cutting ᭹ Interrupted cutting 300 BXM10 300 BXM10 230 230 200 BXA10 BXM20 Continuouscutting 200 BXA10 BXM20 Lightlyinterrupted 100 BXA20 100 BXA20 8 Interrupted 0 0 000..150.200..3Light Interrupted Heavy Feed (mm/rev) 9 Reference pages: SGN...: Toolholder → 6-12 - 6-16 2-69