OSG is a leading manufacturer of taps, end mills, drills and thread-making tools. We offer an extensive line of high technolo ... gy cutting tools featuring exclusive metallurgy, cutting geometries and proprietary surface treatments to help increase productivity, reliability and tool life. Gaining the support and trust of our customers has always been the commitment of OSG. Through continuous innovations, OSG strives to provide customers with superior cutting tool technology, experience, and quality that matters. read more