HTT specializes in the production of high -precision drilling parts. We have a large supply of boring sockets, holders for boring sockets, piping, sealing slices and other tool allowances. All parts can be manufactured in a customer -specific manner. The tolerance is up to ± 0.005 mm, the smallest inner diameter can be 0.3 mm. They are suitable for industries such as metal processing, shape construction, medical device construction, aerospace and space industry and others.