Union Tool Co. designs, manufactures, and sells of cutting tools, linear motion products, and metal machining equipment in Japan, China, Taiwan, and internationally. The company offers printed circuit board (PCB) drills/routers, ULF coatings, diamond coated routers, and P series ultra precision micro-hole drills; PCB tools-related equipment; carbide end mills; linear motion products; and crossed roller guide and optical glass scale measuring instruments. It also provides roll dies and incremental dies, rack dies, rolled products, screw manufacturing dies, coating rods, and forging tools, as well as myBeat wearable heart rate sensors, heart rate variability analysis tool, and remote watching radar for small room. The company was formerly known as Union Chemical Research Co., Ltd. and changed its name to Union Tool Co. in 1971. Union Tool Co. was founded in 1955 and is headquartered in Shinagawa, Japan.