Carbide Micrograin Carbide End Mills List 492, 494: Miniature Hardness – Up to 145 Brinell Up to 20 HRC 20 to 30 HRC 30 to 40 HRC AluminumWork MaterialAluminum AlloysPlasticsWoodMild SteelsCast IronBrassBronzeMedium Tensile SteelsMild Steel ForgingUnalloyed TitaniumHard Brass and BronzeTool SteelsCopperHeat Resistant FerriticLow AlloysHigh Tensile SteelMedium StrengthStainless Steels andTitanium Alloys Numberof Flutes 2 or More Flutes 2 or More Flutes 2 or More Flutes 2 or More Flutes 2 or More Flutes Cutting Speed 200-400 SFM 100-120 SFM 70-90 SFM 50-60 SFM 30-40 SFM Mill Dia. Speed Feed Speed Feed Speed Feed Speed Feed Speed FeedRPMin/minRPMin/minRPMin/minRPMin/minRPMin/min 1/64 12,222 Up 1.8 12,222 Up 1.5 12,222 Up 1.0 12,222 Up 0.5 7,334 - 9,779 0.4 1/32 12,222 Up 3.0 12,222 Up 2.0 8,556 - 11,001 2.0 6,112 - 7,334 0.6 3,667 - 4,889 0.5 3/64 12,222 Up 3.1 81,50-9,780 2.5 5,704 - 7,334 3.0 4,075 - 4,889 0.8 2,445 - 3,260 0.6 1/16 12,222 Up 5.1 6,112 - 7,333 3.1 4,280 - 5,502 4.0 3,057 - 3,668 1.3 1,834 - 2,445 0.8 5/64 9,779 Up 5.1 4,889 - 5,867 3.1 3,423 - 4,400 4.0 2,445 - 2,934 1.3 1,467 - 1,956 0.8 3/32 8,146 Up 5.1 4,075 - 4,890 3.1 2,853 - 3,667 4.0 2,038 - 2,446 1.3 1,222 - 1,426 0.8 7/64 7,364 Up 5.3 3,492 - 4,191 3.1 2,445 - 3,143 4.0 1,746 - 2,095 1.3 1,048 - 1,397 0.8 1/8 6,112 Up 5.5 3,056 - 3,667 3.5 2,139 - 2,750 4.0 1,528 - 1,834 1.3 917 - 1,222 0.8 9/64 5,433 - 10,865 5.6 2,716 - 4,191 3.5 1,901 - 2,445 4.2 1,358 - 1,630 1.3 815 - 1,087 0.9 5/32 4,889 - 9,779 5.6 2,448 - 2,934 3.6 1,711 - 2,200 4.4 1,222 - 1,467 1.4 733 - 978 1.0 11/64 4,445 - 8,890 5.8 2,222 - 2,667 3.8 1,556 - 2,000 4.6 1,111 - 1,333 1.5 667 - 889 1.1 3/16 4,074 - 8,148 5.9 2,037 - 2,445 4.0 1,426 - 1,834 4.8 1,019 - 1,222 1.6 611 - 815 1.3 1114 End Mill Technical WWW.OSGTOOL.COM