HY-PRO® CARB Performance Sub-Micrograin Carbide End Mills List HP450 Side Milling (Fractional) Hardness Up to 25 HRC 25 to 45 HRC 45 to 55 HRC 55 to 65 HRC 30 to 40 HRC 25 to 45 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronAlloy SteelsTool SteelsHardened SteelsHardened SteelsTool SteelsTool SteelsTitanium AlloyNickel BaseHigh-Temp Alloy CuttingSpeed 312-540 SFM 156-312 SFM 96-156 SFM 60-96 SFM 156-276 SFM 48-80 SFM Depthof Cut aaar==01..15DD aara==01.0.55DD Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/minSpeedRPM Feedin/minSpeedRPM Feedin/minSpeedRPM Feedin/min SpeedRPM Feedin/min 1/8 11,400 70.8 6,360 19.2 3,240 7.2 2,280 4.8 5,040 33.6 1,680 2.4 5/32 8,640 70.8 4,800 19.2 2,640 9.6 1,800 4.8 3,840 36 1,260 2.4 3/16 6,840 61.2 3,840 19.2 2,160 10.8 1,560 4.8 3,000 36 984 3.6 1/4 6,360 122.4 3,480 39.6 1,920 14.4 1,320 7.2 2,520 42 840 4.8 5/16 4,800 112.8 2,640 39.6 1,440 14.4 996 7.2 1,920 42 624 4.8 3/8 3,840 99.6 2,160 39.6 1,152 13.2 804 7.2 1,560 37.2 480 4.8 1/2 3,480 99.6 1,920 36 960 13.2 672 6 1,260 36 408 3.6 5/8 2,640 75.6 1,440 27.6 720 10.8 528 4.8 960 33.6 312 3.6 3/4 2,160 61.2 1,140 21.6 576 7.2 420 3.6 780 28.8 240 3.6 1 1,500 56.4 900 22.8 450 8.4 300 3.6 720 24 216 2.4 Side Milling (Metric) Hardness Up to 25 HRC 25 to 45 HRC 45 to 55 HRC 55 to 65 HRC 30 to 40 HRC 25 to 45 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronAlloy SteelsTool SteelsHardened SteelsHardened SteelsTool SteelsTool SteelsTitanium AlloyNickel BaseAigh-Temp Alloy CuttingSpeed 312-540 SFM 156-312 SFM 96-156 SFM 60-96 SFM 156-276 SFM 48-80 SFM Depthof Cut aaar==01..15DD aara==01.0.55DD Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/minSpeedRPM Feedin/minSpeedRPM Feedin/minSpeedRPM Feedin/min SpeedRPM Feedin/min 3 11,400 70.9 6,360 18.9 3,240 7.6 2,280 4.7 5,040 33.1 1,680 2.1 4 8,640 70.9 4,800 18.9 2,640 9.4 1,800 4.7 3,840 35.4 1,260 2.6 5 6,840 61.4 3,840 18.9 2,160 10.4 1,560 4.7 3,000 35.4 984 3.3 6 6,360 122.8 3,480 40.2 1,920 14.2 1,320 7.6 2,520 42.5 840 4.3 8 4,800 113.4 2,640 40.2 1,440 14.2 996 7.1 1,920 42.5 624 4.3 10 3,840 99.2 2,160 40.2 1,152 13.2 804 7.1 1,560 37.8 480 4.3 12 3,480 99.2 1,920 36.4 960 13.2 672 6.1 1,260 35.4 408 3.8 16 2,640 75.6 1,440 27.4 720 10.4 528 4.7 960 33.1 312 3.3 20 2,160 61.4 1,140 21.7 576 7.6 420 4.0 780 28.3 240 3.3 25 1,500 56.7 900 22.4 450 8.5 300 3.8 720 23.6 216 2.8 WWW.OSGTOOL.COM End Mill Technical 1085