EXOCARB® MAX Maximum Performance End Mills for Hardened Steels List 9010: MAX Ball, Stub Length, 2 Flute List 9110: MAX Ball, Stub Length, 2 Flute List 9011: MAX Ball, Long Shank, 2 Flute List 9111: MAX Ball, Long Shank, 2 Flute High Speed Light Milling Hardness Up to 45 HRC Up to 50 HRC Up to 55 HRC Up to 60 HRC Up to 65 HRC WorkMaterial Hardened Steels Hardened Steels Hardened Steels Hardened Steels Hardened Steels CuttingSpeed 1,650 SFM 1,250 SFM 900 SFM 740 SFM 410 SFM Depthof Cut aaD≤20.6DD≤40.1DD≤100.2Dar0.1D 0.15D0.2D aaarD≤40.05D0.1DD≤100.10D0.15DaaD=≤01.002Dar=0.1D Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min 1 Max. 100 Max. 85 Max. 76 Max. 60 40,000 30 2 Max. 175 Max. 150 Max. 130 35,000 105 20,000 63 3 Max. 175 Max. 150 Max. 130 25,000 105 15,000 57 4 40,000 175 30,000 150 22,000 130 18,000 105 10,000 53 6 25,000 157 20,000 133 15,000 118 12,000 94 6,600 47 8 20,000 138 15,000 117 11,000 104 9,000 83 5,000 41 10 15,000 125 12,000 106 8,750 94 7,200 75 4,000 38 1. Use a rigid and precise machine and holder. 2. When chattering occurs, reduce the speed and feed simultaneously. 3. Use a suitable cutting fluid with high smoke retardant. High Speed Light Milling Hardness Up to 45 HRC Up to 50 HRC Up to 55 HRC Up to 60 HRC Up to 65 HRC WorkMaterial Hardened Steels Hardened Steels Hardened Steels Hardened Steels Hardened Steels CuttingSpeed 1,600 SFM 1,300 SFM 1,000 SFM 790 SFM 430 SFM Depthof Cut aaD≤1/160.6DD≤1/80.1DD≤3/80.2Dar0.1D 0.15D0.2D aaarD≤1/80.05D0.1DD≤3/80.10D0.15DD≤3/8aa=0.02Dar=0.1D Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min 1/32 Max. 100 Max. 85 Max. 76 Max. 60 40,000 30 1/16 Max. 150 Max. 140 Max. 120 35,000 95 20,000 57 1/8 Max. 175 Max. 150 Max. 130 25,000 105 15,000 63 3/16 30,000 163 25,000 143 17,000 125 16,000 100 9,000 50 1/4 25,000 157 20,000 133 15,000 118 12,000 94 6,600 47 5/16 20,000 138 15,000 117 11,000 104 9,000 83 5,000 41 3/8 15,000 125 12,000 106 8,750 94 7,200 75 4,000 38 1. Use a rigid and precise machine and holder. 2. When chattering occurs, reduce the speed and feed simultaneously. 3. Use a suitable cutting fluid with high smoke retardant. 1046 End Mill Technical WWW.OSGTOOL.COM