Shoulder Milling MILL 4-15 DOUBLE-SIDED SHOULDER MILLING Materials P M K N S Industries General Automotive Oil & Gas Engineering Wind & Solar Aerospace Applications The Mill 4-15 series is engineered to achieve excellent surface quality and higher MRR in shoulder milling applications. Its unique design enables multiple passes (stepping down) with outstanding results. The Mill 4-15 platform is applicable in a wide range of workpiece materials: steel, cast iron, stainless steels and titanium, from roughing to finishing operations. B39 kennametal.com ken ke e nam en