EXOCARB® WXL® Premium Performance Carbide End Mills with OSG’s Proprietary WXL® Coating Standard Milling Hardness – Up to 32 HRC 33 to 41 HRC 42 to 50 HRC Work Material CopperCopper Alloy Mild SteelsCarbon Steels Hardened Steels, Pre-hardened SteelsStainless Steels Cutting Speed 66~116 SFM 46~76 SFM 39~76 SFM 57~67 SFM Dia. aa ar Dia. aa ar D<0.3 4D 0.015D Depth of Cut D<1 4D 0.05D 0.3≤D<1 4D 0.03D 1≤D 4D 0.01D 1≤D<3 4D 0.05D 3≤D 4D 0.1D Mill Dia. Speed Feed Speed Feed Speed Feed Speed FeedRPMin/minRPMin/minRPMin/minRPMin/min 5.1 1,900 8.3 1,400 3.7 1,400 2.6 1,200 3.9 5.2 1,900 8.3 1,400 3.7 1,400 2.6 1,200 3.9 5.3 1,800 8.3 1,300 3.7 1,300 2.6 1,200 3.9 5.4 1,800 8.3 1,300 3.7 1,300 2.6 1,200 3.9 5.5 1,800 8.3 1,300 3.7 1,300 2.6 1,100 3.9 5.6 1,700 8.3 1,300 3.7 1,300 2.6 1,100 3.9 5.7 1,700 8.3 1,300 3.7 1,300 2.6 1,100 3.9 5.8 1,700 8.3 1,200 3.7 1,200 2.6 1,100 3.9 5.9 1,600 8.3 1,200 3.7 1,200 2.6 1,000 3.9 6.0 1,600 8.3 1,200 3.7 1,200 2.6 1,000 3.9 8.0 1,100 7.9 900 3.7 900 2.6 800 3.9 10.0 900 7.9 700 3.5 700 2.6 630 3.7 12.0 800 7.9 600 3.5 600 2.6 525 3.7 1. Use a rigid and precise machine and holder. 2. Use a suitable cutting fluid with high smoke retardant. 3. When the length of tool extension from the machine is long, reduce the speed and feed. WWW.OSGTOOL.COM End Mill Technical 1021