
STA NDA RD CUT TING CONDITIONS 1 Drilling (VCP, VDP) Grade Cutting Feed: f (mm/rev) ISO Workpiece material Hardness speed 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 2 42CrMo4, 15Cr3, etc. Prehardened steel 30 - 40 Insert 20 - 30 0.04 - 0.08 0.05 - 0.1 0.05 - 0.1 0.06 - 0.12 PX5, NAK80, etc. HRC 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 alloys - 15 - 25 0.04 - 0.07 0.04 - 0.07 0.04 - 0.07 0.04 - 0.07 Ti-6Al-4V, etc. Ext. Toolholder Heat-resistant alloys 3 - 10 - 20 0.03 - 0.06 0.03 - 0.06 0.03 - 0.06 0.03 - 0.06 Inconel 718, etc. SKD61, SKT4, etc. 40 - 50 X40CrMoV5 1, 15 - 25 0.04 - 0.07 0.04 - 0.07 0.04 - 0.07 0.04 - 0.07 55NiCrMoV6, etc. HRC Hardened steel SKD11, SKH, etc. 50 - 60 X153CrMoV12, 10 - 20 0.03 - 0.06 0.03 - 0.06 0.03 - 0.06 0.03 - 0.06 HS18-0-1, etc. HRC Int. Toolholder 4 5 Threading 6 Grooving 7 Endmill 8 Drilling Tool Technical Reference 9 7-7