EXOCARB® WXS® Ultra Premium Performance Carbide End Mills with OSG’s Proprietary WXS® Coating List 4510: Ball End - Regular Length - 2 Flute Standard Milling Hardness Up to 40 HRC 40 to 45 HRC 45 to 55 HRC 55 to 60 HRC 60 to 65 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronTool SteelsHardened SteelsPre-hardened Steels Hardened Steels CuttingSpeed 825 SFM 660 SFM 490 SFM 410 SFM 330 SFM aa=0.05DDepthar=0.1D aa=0.02D aa=0.02Dar=0.1Dar=0.05D of Cut aa Max = less aa Max = less aa Max = less than 0.024” than 0.020” than 0.012” Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min 1.0 50,000 50.0 50,000 50.0 47,544 47.5 39,781 39.8 32,000 32.0 1.5 50,000 80.0 42,692 68.3 32,000 51.2 26,500 42.4 21,000 33.6 2.0 40,024 80.0 32,000 64.0 24,000 48.0 20,000 40.0 16,000 32.0 3.0 26,500 100.7 21,000 79.8 16,000 60.8 13,500 51.3 10,500 39.9 4.0 20,000 92.0 16,000 73.6 12,000 55.2 9,950 45.8 7,950 36.6 5.0 16,000 92.8 12,500 72.5 9,550 55.4 7,950 46.1 6,350 36.8 6.0 13,350 114.8 10,500 90.3 7,950 68.4 6,650 57.2 5,300 45.6 8.0 9,950 99.5 7,950 79.5 5,950 59.5 4,950 49.5 4,000 40.0 10.0 7,950 89.0 6,350 71.1 4,800 53.8 4,000 44.8 3,200 35.8 12.0 6,650 93.1 5,300 74.2 4,000 56.0 3,300 46.2 2,650 37.1 16.0 4,950 74.3 4,000 60.0 3,000 45.0 2,500 37.5 2,000 30.0 20.0 4,000 60.0 3,200 48.0 2,400 36.0 2,000 30.0 1,600 24.0 25.0 3,200 48.0 2,550 38.3 1,900 28.5 1,600 24.0 1,250 18.8 High Speed Light Milling Hardness Up to 40 HRC 40 to 45 HRC 45 to 55 HRC 55 to 60 HRC 60 to 65 HRC WorkMaterial Mild SteelsCarbon SteelsCast IronTool SteelsHardened SteelsPre-hardened Steels Hardened Steels CuttingSpeed 1275 SFM 985 SFM 820 SFM 650 SFM 490 SFM aa=0.02DDepthar=0.05Dof Cutaa Max = less aa=0.02D aa=0.01Dar=0.05Dar=0.05Daa Max = lessaa Max = less than 0.012” than 0.008” than 0.004” Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min Speed RPM Feedin/min 1.0 50,000 50.0 50,000 50.0 50,000 50.0 50,000 50.0 47,500 47.5 1.5 50,000 80.0 50,000 80.0 50,000 80.0 42,500 68.0 32,000 51.2 2.0 50,000 100.0 47,500 95.0 40,000 80.0 32,000 64.0 24,000 48.0 3.0 41,500 157.7 32,000 121.6 26,500 100.7 21,000 79.8 16,000 60.8 4.0 31,000 142.6 24,000 110.4 20,000 92.0 16,000 73.6 12,000 55.2 5.0 25,000 145.0 19,000 110.2 16,000 92.8 13,000 75.4 9,550 55.4 6.0 20,500 176.3 16,000 137.6 13,500 116.1 10,500 90.3 7,950 68.4 8.0 15,500 155.0 12,000 120.0 9,950 99.5 7,950 79.5 5,950 59.5 10.0 12,500 140.0 9,550 107.0 7,950 89.0 6,350 71.1 4,800 53.8 12.0 10,500 147.0 7,950 111.3 6,650 93.1 5,300 74.2 4,000 56.0 16.0 7,750 116.3 5,950 89.3 4,950 74.3 4,000 60.0 3,000 45.0 20.0 6,200 93.0 4,800 72.0 4,000 60.0 3,200 48.0 2,400 36.0 25.0 4,950 74.3 3,800 57.0 3,200 48.0 2,550 38.3 1,900 28.5 1028 End Mill Technical WWW.OSGTOOL.COM