MagicDrill DRV Recommended Chamfering attachment cutting conditions for DRV DRV 2D-4D (Coolant) Recommended insert grades (Vc: m/min) Drill type PVD coated carbide CVD coated carbide Drill dia. 2D~3D 4D Workpiece DC material PR1225 CA520D CA415D f (mm/rev) (mm) GM GH XM SM GM GH XM SM GM GH GM GH XM SM GM GH XM SM ø12-ø13.5 - - - 0.04-0.06 - - - 0.04-0.06 ø14-ø15.5 - - 0.04-0.09 0.04-0.07 - - 0.04-0.08 0.04-0.07 ø16-ø18.5 - - 0.04-0.10 0.04-0.08 - - 0.04-0.08 0.04-0.08 Low carbon - - - - - - ø19-ø22 - - 0.04-0.12 0.04-0.08 - - 0.04-0.10 0.04-0.08 steel 120-200 120-200 150-280 150-280 ø22.5-ø26 - - 0.04-0.14 0.06-0.10 - - 0.04-0.12 0.05-0.10 ø26.5-ø32 - - 0.06-0.14 0.06-0.10 - - 0.04-0.12 0.05-0.10 ø33-ø39 - - 0.08-0.14 0.06-0.10 - - 0.06-0.12 0.05-0.10 ø40-ø60 - - - 0.08-0.12 - - - 0.05-0.10 ø12-ø13.5 0.04-0.14 0.04-0.14 - 0.04-0.10 0.04-0.10 0.04-0.10 - 0.04-0.08 ø14-ø15.5 0.04-0.14 0.04-0.14 0.04-0.10 0.04-0.10 0.04-0.10 0.04-0.10 0.04-0.08 0.04-0.08 ø16-ø18.5 0.06-0.16 0.06-0.16 0.06-0.12 0.06-0.12 0.05-0.12 0.05-0.12 0.04-0.10 0.05-0.10 Carbon steel - - ø19-ø26 0.08-0.20 0.08-0.20 0.06-0.14 0.06-0.14 0.07-0.16 0.07-0.16 0.04-0.12 0.05-0.12 100-180 100-180 100-180 100-180 150-280 150-280 150-280 150-280 ø26.5-ø32 0.08-0.20 0.08-0.20 0.06-0.14 0.06-0.14 0.07-0.16 0.07-0.16 0.04-0.12 0.05-0.12 ø33-ø39 0.08-0.20 0.08-0.20 0.07-0.16 0.06-0.14 0.07-0.16 0.07-0.16 0.06-0.14 0.05-0.12 ø40-ø60 0.08-0.20 - - 0.06-0.14 0.07-0.16 - - 0.05-0.12 ø12-ø13.5 0.04-0.12 0.04-0.12 - - 0.04-0.10 0.04-0.10 - - ø14-ø15.5 0.04-0.14 0.04-0.14 - - 0.04-0.10 0.04-0.10 - - ø16-ø18.5 0.06-0.16 0.06-0.16 - - 0.05-0.12 0.05-0.12 - - Alloy steel - - - - ø19-ø26 0.08-0.20 0.08-0.20 - - 0.07-0.16 0.07-0.16 - - 100-160 100-160 100-160 140-220 140-220 140-220 ø26.5-ø32 0.08-0.20 0.08-0.20 - - 0.07-0.16 0.07-0.16 - - ø33-ø39 0.08-0.20 0.08-0.20 - - 0.07-0.16 0.07-0.16 - - ø40-ø60 0.08-0.20 - - - 0.07-0.16 - - - ø12-ø13.5 0.04-0.08 0.04-0.08 - - 0.04-0.07 0.04-0.07 - - ø14-ø15.5 0.04-0.08 0.04-0.08 - - 0.04-0.07 0.04-0.07 - - ø16-ø18.5 0.06-0.12 0.06-0.12 - - 0.05-0.10 0.05-0.10 - - Mold steel - - - - - - ø19-ø26 0.08-0.15 0.08-0.15 - - 0.06-0.12 0.06-0.12 - - 80-150 80-150 130-210 130-210 ø26.5-ø32 0.08-0.15 0.08-0.15 - - 0.06-0.12 0.06-0.12 - - K ø33-ø39 ø40-ø60 0.08-0.15 0.08-0.15 0.08-0.15 - - - - - 0.06-0.12 0.06-0.12 0.06-0.12 - - - - - ø12-ø13.5 - - - 0.04-0.10 - - - 0.04-0.08 ø14-ø15.5 - - - 0.04-0.10 - - - 0.04-0.08 Stainless steel ø16-ø18.5 - - - 0.06-0.12 - - - 0.05-0.11 (Austenitic - - - - - - - - ø19-ø26 - - - 0.06-0.14 - - - 0.06-0.12 70-140 140-200 related) ø26.5-ø32 - - - 0.06-0.14 - - - 0.06-0.12 Drilling ø33-ø39 - - - 0.06-0.14 - - - 0.06-0.12 ø40-ø60 - - - 0.06-0.14 - - - 0.06-0.12 ø12-ø13.5 0.08-0.14 0.08-0.14 - - 0.06-0.10 0.06-0.10 - - ø14-ø15.5 0.08-0.14 0.08-0.14 - - 0.06-0.12 0.06-0.12 - - ø16-ø18.5 0.08-0.18 0.08-0.18 - - 0.08-0.16 0.08-0.16 - - Gray cast iron - - - - - - ø19-ø26 0.08-0.20 0.08-0.20 - - 0.08-0.18 0.08-0.18 - - 100-150 100-150 150-220 150-220 ø26.5-ø32 0.08-0.20 0.08-0.20 - - 0.08-0.18 0.08-0.18 - - ø33-ø39 0.08-0.20 0.08-0.20 - - 0.08-0.18 0.08-0.18 - - ø40-ø60 0.08-0.20 - - - 0.08-0.18 - - - ø12-ø13.5 0.08-0.12 0.08-0.12 - - 0.06-0.10 0.06-0.10 - - ø14-ø15.5 0.08-0.12 0.08-0.12 - - 0.06-0.10 0.06-0.10 - - ø16-ø18.5 0.08-0.16 0.08-0.16 - - 0.08-0.14 0.08-0.14 - - Nodular cast - - - - - - ø19-ø26 0.08-0.18 0.08-0.18 - - 0.08-0.16 0.08-0.16 - - iron 80-120 80-120 120-180 120-180 ø26.5-ø32 0.08-0.18 0.08-0.18 - - 0.08-0.16 0.08-0.16 - - ø33-ø39 0.08-0.18 0.08-0.18 - - 0.08-0.16 0.08-0.16 - - ø40-ø60 0.08-0.18 - - - 0.08-0.16 - - - · Internal coolant is recommended : 1st recommendation : 2nd recommendation K62