EXOCARB® WXL® Premium Performance Carbide End Mills with OSG’s Proprietary WXL® Coating Slotting Hardness – Up to 32 HRC 33~41 HRC 42~50 HRC Work Copper Mild SteelsMaterialCopper AlloyCarbon Steels Hardened SteelsPre-hardened SteelsStainless Steels CuttingSpeed 173~374 SFM 144~309 SFM 130~309 SFM 101~248 SFM D L2 Speed Feed aa Speed Feed aa Speed Feed aa Speed Feed aa (mm) (mm) (RPM) (in/min) (in) (RPM) (in/min) (in) (RPM) (in/min) (in) (RPM) (in/min) (in) 2.0 30 13,000 45.3 0.0008 11,000 37.0 0.0008 10,000 29.5 0.0004 7,000 23.6 0.0004 2.5 8 14,500 92.5 0.0165 12,000 74.8 0.0138 11,000 59.1 0.0130 9,000 41.3 0.0102 2.5 12 14,500 92.5 0.0110 12,000 74.8 0.0091 11,000 59.1 0.0075 9,000 41.3 0.0059 2.5 16 12,000 59.1 0.0055 10,000 47.2 0.0047 9,000 41.3 0.0039 7,000 29.5 0.0031 2.5 20 12,000 59.1 0.0043 10,000 47.2 0.0035 9,000 41.3 0.0031 7,000 29.5 0.0024 2.5 25 9,600 45.3 0.0039 8,000 37.0 0.0031 8,000 29.5 0.0024 6,000 23.6 0.0020 3.0 8 12,000 92.5 0.0150 10,000 74.8 0.0126 10,000 59.1 0.0118 8,000 41.3 0.0094 3.0 12 12,000 84.6 0.0126 10,000 68.9 0.0106 10,000 59.1 0.0091 8,000 41.3 0.0071 3.0 16 12,000 59.1 0.0094 10,000 47.2 0.0079 9,000 41.3 0.0067 6,000 29.5 0.0051 3.0 20 12,000 59.1 0.0063 10,000 47.2 0.0051 9,000 41.3 0.0043 6,000 29.5 0.0031 3.0 25 12,000 59.1 0.0051 10,000 47.2 0.0043 9,000 41.3 0.0035 6,000 29.5 0.0028 3.0 30 9,600 45.3 0.0043 8,000 37.0 0.0035 7,000 29.5 0.0031 5,000 23.6 0.0024 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. 4. When length of the tool extension from the machine is long, reduce the speed and feed. WWW.OSGTOOL.COM End Mill Technical 1025