SPI 85-515 Roughing End Mill is an industrial end mill with a 15/16 in diameter, 5-flute configuration, and a 4-3/8 in overall length. The part number 85-515 identifies this tool within SPI's lineup, and it's designed for roughing passes in milling operations on CNC or manual milling machines. The 5-flute design supports efficient chip evacuation and stable cutting under the heavier loads typical of roughing, helping establish basic geometry before finishing passes.
