GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingEndmillDrilling ToolTechnical Reference STANDARD CUT TING CONDITIONS Drilling (VCP, VDP) Cutting Feed: f (mm/rev)ISOWorkpiece materialHardnessspeed 1 Vc (m/min) VDP328 VDP412 VDP513 VCP Low carbon steels S45C, S55C, etc. - 300 HB 40 - 80 0.04 - 0.08 0.05 - 0.1 0.05 - 0.1 0.06 - 0.12 C45, C55, etc. High carbon steels SCM440, SCr415, etc. - 300 HB 30 - 50 0.04 - 0.08 0.05 - 0.1 0.05 - 0.1 0.06 - 0.12 42CrMo4, 15Cr3, etc.Prehardened steelPX5, NAK80, etc.30 - 40HRC20 - 300.04 - 0.08 0.05 - 0.1 0.05 - 0.1 0.06 - 0.12 2 Stainless steels SUS304, SUS316, etc. - 200 HB 15 - 25 0.04 - 0.08 0.05 - 0.1 0.05 - 0.1 0.06 - 0.12 X5CrNi18-9, X5CrNiMo17-12-2, etc. Titanium alloysTi-6Al-4V, etc. - 15 - 25 0.04 - 0.07 0.04 - 0.07 0.04 - 0.07 0.04 - 0.07 Heat-resistant alloysInconel 718, etc.-SKD61, SKT4, etc.X40CrMoV5 1,Hardened steel55NiCrMoV6, etc.SKD11, SKH, etc.X153CrMoV12,HS18-0-1, etc.40 - 50HRC50 - 60HRC10 - 200.03 - 0.060.03 - 0.060.03 - 0.060.03 - 0.0615 - 250.04 - 0.070.04 - 0.070.04 - 0.070.04 - 0.07310 - 200.03 - 0.060.03 - 0.060.03 - 0.060.03 - 0.06 4 5 6 7 8 9 7-7