In this study, a series of dry milling experiments of Al-alloy using single edge rhombus micro-end-mills were performed. The purpose was to examine the influences of various control factors on tool wear. Examined control factors included coating layer, si In this study, a series of dry milling experiments of Al-alloy using single edge rhombus micro-end-mills were performed. The purpose was to examine the influences of various control factors on tool wear. Examined control factors included coating layer, si