EXOCARB® WXL® Premium Performance Carbide End Mills with OSG’s Proprietary WXL® Coating List 3723 SPEEDFEED CARBIDEP1020-1021WXL SHANKLONG40˚h6 WXL-4D-DE, 2 Flute, Long Length Milling Diameter Tolerance 0.2≤D≤12 +0 / -0.02mm D≤6 6