EXOCARB® WXL® Premium Performance Carbide End Mills with OSG’s Proprietary WXL® Coating List 3620 - EXOCARB® WXL®: Stub Length, 2 Flute List 3621 - EXOCARB® WXL®: Regular Length, 2 Flute Slotting Hardness – Up to 32 HRC 33 to 41 HRC 42 to 50 HRC Work Material CopperCopper Alloy Mild SteelsCarbon Steels Hardened SteelsPre-hardened Steels, Stainless Steels Cutting Speed 52~522 SFM 33~251 SFM 33~186 SFM 33~159 SFM Dia. aa Depth of Cut D<1/8 0.3D 1/8≤D 0.5D Mill Dia. Speed Feed Speed Feed Speed Feed Speed FeedRPMin/minRPMin/minRPMin/minRPMin/min 1/16 31,000 12.6 12,000 4.7 8,500 3.5 7,500 2.6 5/64 24,000 12.2 9,700 5.1 7,000 3.5 6,300 2.8 3/32 20,500 13.8 8,600 5.9 6,300 3.5 5,500 2.8 7/64 17,500 15.0 7,300 6.7 5,500 3.9 4,700 3.0 1/8 15,000 16.5 6,500 7.1 5,000 4.3 4,200 3.1 5/32 12,000 17.7 5,400 8.3 4,200 4.9 3,500 3.5 3/16 10,500 20.9 4,900 10.2 3,700 5.1 3,100 3.7 7/32 8,700 21.3 4,300 10.6 3,100 5.1 2,600 3.9 1/4 7,500 20.9 3,700 10.6 2,700 5.1 2,300 3.9 9/32 6,900 20.9 3,400 10.6 2,500 5.1 2,100 3.9 5/16 5,900 20.5 3,000 10.2 2,200 4.9 1,900 3.9 3/8 5,100 20.1 2,500 10.2 1,800 4.9 1,400 3.7 7/16 4,400 19.7 2,200 9.8 1,600 4.9 1,100 3.7 1/2 4,000 20.1 2,000 9.8 1,400 4.9 1,200 3.7 5/8 3,000 15.7 1,500 7.9 1,100 4.5 800 3.1 3/4 2,700 14.2 1,300 7.1 900 3.9 700 2.8 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. 998 End Mill Technical WWW.OSGTOOL.COM