HY-PRO® CARB Performance Sub-Micrograin Carbide End Mills List HP418 Profiling Milling (Fractional) Hardness – Up to 20 HRC 20 to 30 HRC 30 to 38 HRC 38 to 45 HRC 45 to 55 HRC 55 to 60 HRC Hardened Steels Hardened Steels Alloy Steels Pre-hardened Pre-hardened WorkMaterial Cast Iron Mild Steels Tool SteelsCarbon SteelsTi AlloysSteelsTi AlloysSteelsStainless SteelsHardened Steels Hardened Steels (Annealed) (Solution Treated and Inconel Aged) Ni Based Alloys CuttingSpeed 497 SFM 397 SFM 330 SFM 262 SFM 230 SFM 196 SFM 146 SFM Depthof Cut aaar==00..21DD aaar==00..015DD Mill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed Speed FeedRPMin/minRPMin/minRPMin/minRPMin/minRPMin/minRPMin/minRPMin/min 3/32 20,450 37.0 16,520 30.1 13,590 24.5 10,955 15.8 9,625 11.4 8,295 8.3 6,235 5.5 1/8 14,800 37.0 11,975 30.1 10,050 24.8 8,080 16.2 7,075 12.0 6,070 8.7 4,540 5.7 3/16 9,975 40.3 8,050 32.8 6,730 24.9 5,355 17.5 4,710 14.6 4,025 11.1 3,015 6.9 1/4 7,600 43.0 6,070 35.0 5,060 27.2 4,015 18.9 3,530 15.8 3,010 11.8 2,245 7.4 3/8 5,035 48.1 4,025 38.6 3,340 29.7 2,650 20.9 2,330 17.1 2,005 13.1 1,480 8.3 Profiling Milling (Metric) Hardness – Up to 20 HRC 20 to 30 HRC 30 to 38 HRC 38 to 45 HRC 45 to 55 HRC 55 to 60 HRC Hardened Steels Hardened Steels Alloy Steels Pre-hardened Pre-hardened WorkMaterial Cast Iron Mild Steels Tool SteelsCarbon SteelsTi AlloysSteelsTi AlloysSteelsStainless SteelsHardened Steels Hardened Steels (Annealed) (Solution Treated and Inconel Aged) Ni Based Alloys CuttingSpeed 497 SFM 397 SFM 330 SFM 262 SFM 230 SFM 196 SFM 146 SFM Depthof Cut aaar==00..21DD aaar==00..015DD Mill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed Speed Feed Speed FeedRPMin/minRPMin/minRPMin/minRPMin/minRPMin/minRPMin/minRPMin/min 1 40,070 37.6 40,070 37.6 39,443 30.4 31,304 19.7 27,548 14.0 23,791 10.3 17,530 6.8 2 29,588 46.0 24,042 37.6 19,722 30.4 15,892 19.7 13,983 14.2 12,073 10.3 9,083 6.8 3 18,532 46.2 14,995 37.6 12,584 31.0 10,117 20.1 8,859 14.8 7,597 10.7 5,682 7.2 4 14,557 46.2 12,005 37.6 10,049 31.0 8,030 21.8 7,017 18.1 6,010 13.1 4,487 8.4 5 11,583 51.8 9,266 42.1 7,737 31.4 6,146 22.0 5,421 18.3 4,623 14.0 3,464 8.6 6 9,517 53.8 7,597 43.7 6,334 33.9 5,024 23.6 4,419 19.7 3,767 14.8 2,807 9.3 8 7,523 63.7 6,010 51.3 4,993 38.6 3,981 27.1 3,475 22.2 2,974 15.8 2,207 10.3 10 5,781 58.3 4,623 46.4 3,840 36.1 3,047 25.5 2,677 21.1 2,301 16.2 1,701 10.1 12 4,701 53.2 3,741 42.3 3,141 33.9 2,494 23.8 2,181 20.4 1,852 15.0 1,367 9.4 WWW.OSGTOOL.COM End Mill Technical 1097