IN2030IN2030 IN2505IN2505 IN2540IN2540 IN6530IN6530 FormMaster F - Series 1DG1H, DG6H Material BrinnellHardness SFM Feed per Insert Coolant Mild 1018 - 1045 125 - 425 1 300 - 650 Steel Low Alloy 4140, 8620, 4340 .035 - .157 No 150 - 425 1 1 3 4 Med Alloy P20, S7, H13, O1, A2 300 - 700 Free Machining 303, 416 Stainless 300 Series 304, 310, 316Steel400 Series 410, 420, 15-5PH, 17-4 PH150 - 425200 - 550.030 - .1001 2 3 4 No PH Series 13-8 Hardened Steel ALL - 200 - 400 .030 - .075 1 2 No HiFeedMini - Series 1TG1F, TG1F Material BrinnellHardness SFM Feed per Insert Coolant Mild 1018 - 1045 125 - 425 500 - 1100 .010 - .035 1 2 2 Low Alloy 4140, 8620, 4340 150 - 425 400 - 1000 Steel .008 - .018 1 3 2 4 No Med Alloy P20, S7, H13, O1, A2 150 - 425 300 - 900 High Alloy A7-D2 200 - 425 300 - 600 .005 - .015 1 2 3 Free Machining 303, 416 150 - 425 300 - 800 .010 - .030 Stainless 300 Series 304, 310, 316 150 - 425Steel400 Series 410, 420, 15-5PH, 17-4 PH150 - 425200 - 60021.005 - .015 3 No PH Series 13-8 150 - 425 200 - 500 Hardened Steel ALL - 200 - 400 .002 - .010 1 2 3 No 95