HY-PRO® CARB Performance Sub-Micrograin Carbide End Mills List HP455 Side Milling (Fractional) Hardness Up to 30 HRC 30 to 38 HRC 38 to 45 HRC Alloy SteelsWork MaterialTool SteelsTi Alloys (Annealed)Hardened SteelsPre-hardened SteelsTi Alloys(Solution Treated and Aged)Hardened SteelsPre-hardened SteelsStainless SteelsInconelNi Based Alloys Cutting Speed 156 SFM 144 SFM 114 SFM Depth of Cut aaar==01..15DD Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min 1/8 4,806 13.1 4,332 5.2 3,444 4.0 5/32 3,780 13.1 3,420 5.2 2,754 4.0 3/16 3,186 13.9 2,886 5.2 2,292 4.0 7/32 2,742 14.2 2,454 5.2 1,956 4.0 1/4 3,240 14.2 2,130 5.2 1,716 4.0 9/32 2,142 14.2 1,896 5.2 1,554 4.0 5/16 1,884 14.2 1,668 5.2 1,380 4.0 3/8 1,590 14.2 1,440 5.2 1,158 4.0 7/16 1,368 14.2 1,242 5.2 990 4.0 1/2 1,194 14.6 1,080 5.2 864 4.0 9/16 1,056 15.7 954 5.2 762 4.0 5/8 948 16.6 864 5.2 684 4.0 3/4 768 16.7 696 4.9 558 4.0 7/8 672 15.1 612 4.4 486 3.6 1 588 13.1 528 4.0 432 3.1 Side Milling (Metric) Hardness Up to 30 HRC 30 to 38 HRC 38 to 45 HRC Alloy SteelsWork MaterialTool SteelsTi Alloys (Annealed)Hardened SteelsPre-hardened SteelsTi Alloys(Solution Treated and Aged)Hardened SteelsPre-hardened SteelsStainless SteelsInconelNi Based Alloys Cutting Speed 156 SFM 144 SFM 114 SFM Depth of Cut aaar==01..15DD Mill Dia. SpeedRPM Feedin/min SpeedRPM Feedin/min SpeedRPM Feedin/min 3 4,806 13.1 4,332 5.2 3,444 4.0 4 3,780 13.1 3,420 5.2 2,754 4.0 5 2,934 14.2 2,646 5.2 2,100 4.0 6 2,400 14.2 2,130 5.2 1,716 4.0 7 2,142 14.2 1,896 5.2 1,554 4.0 8 1,884 14.2 1,668 5.2 1,380 4.0 10 1,464 14.2 1,332 5.2 1,062 4.0 11 1,368 14.2 1,242 5.2 990 4.0 12 1,194 14.6 1,080 5.2 864 4.0 14 1,056 15.7 954 5.2 762 4.0 16 948 16.6 864 5.2 684 4.0 20 768 16.7 696 4.9 558 4.0 25 588 13.1 528 4.0 432 3.1 1092 End Mill Technical WWW.OSGTOOL.COM