Grinding machines from Rush Machinery Inc. produce carbide and HSS drills and other cutting tools, including taps, reamers, countersinks and endmills. According to the company, the machines grind almost any point, and end users can exchange the standard workhead in less than a minute with an optional air-bearing attachment for grinding endmill ODs. Manual bench top and automatic-infeed floor models are available with capacities from 0.080" to 1¼", 3⁄32" to 2" and 3⁄16" to 31⁄8".