IN2005IN2505 IN2006IN2530 IN05SIN6530 FinishBall - Series 12A9, 12A5, 12A8 Material BrinnellHardness SFM Feed per Insert Coolant Aluminum 6061-T6, 7075-T6 - 1000 - 8000 .003 - .006 2 1 Yes Gray 500 - 1200 Cast Iron 150 - 250 .002 - .006 1 No Nodular 400 - 800 Low Carbon 1018, 8620 150 - 250 600 - 1200 .002 - .006 1 High Carbon F-6180 250 - 400* 400 - 600 2 1 Steel No Alloyed Steel 4140 150 - 300 .002 - .005 1 2 400 - 800 Tool Steel P20 - H13 Up to 460* 2 1 300 Series, 304, 316 - 400 - 800 No Stainless Steel 400 Series 15-5 PH, 17-4 PH Up to 320 500-1000 .002 - .005 1 2 13-8 PH - 200 - 400 Yes Nickel Alloys Inconel 600, 706, 718, 903, Hastelloy 75-120 75-120 .002 - .004 1 2 Yes Titanium 6AL-4V - 80 - 150 .002 - .005 1 2 Yes *58 Rc & Above use IN2006 Pro-Trio - Series 2TW7K Material BrinnellHardness SFM Feed per Insert Coolant Gray 785-1250 Cast Iron - .004-.020 1 2 3 No Nodular 590-940 Low Carbon 1018, 8620 85-175 650-1150 .004-.020 High Carbon F-6180 175-225 590-1050 .004-.016 Steel 1 2 3 No Alloyed Steel 4140 275-325 390-820 .002-.014 Tool Steel P20 - H13 200-250 330-660 .006-.016 300 Series, 304, 316 - 590-918 .003-.014 No Stainless Steel 400 Series 15-5 PH, 17-4 PH - 650-985 .002-.018 2 1 3 13-8 PH - 200-400 .003-.015 Yes Nickel Alloys Inconel 600, 706, 718, 903, Hastelloy - 65-265 .002-.008 2 1 3 Yes Titanium 6AL-4V - 130-360 .002-.012 2 1 3 Yes *58 Rc & Above use IN2006 99