Product Description Roughing end mill(rougher) Din844,Din844 long,American standard. Product Feature Material: HSS,Cobalt HSS and carbide. Coarse pitch, fine pitch, and rougher finisher. Center cutting and non-center cutting . Weldon shank or round shank. Product Specification/Models Cutting Dia: from 3mm to 50mm, 3/16"-2" Application Roughing end mills feature a chip breaker type cutting edge for heavier cuts, higher speeds and feeds and greatly increased productivity. Coarse Pitch is recommended for a wide variety of materials of soft to medium hardness including titanium and aluminum alloys. Fine Pitch is recommended for difficultto- machine, high tensile strength, abrasive and harder materials up to 40 Rc. Other Information Special sizes available on request .