Renuka tools manufactures finish, semi finish and roughing boring bars for use on vmc and hmc machines. Fine boring units are offered in minimum diameter of 40 mm. These units are backlash free and have a least count of 5 m on diameter. It also manufactures suitable boring bars with iso tapers and dynamic balancing. Users are also advised to use their own boring bars. For small diameters the company offers fine boring bars starting from diameter 8 mm. These are single operation dedicated size boring bars with a least count of 10 m on diameter. Applications include dowel hole boring, bearing bores and oil seal bores, etc. Adjustment range is 0.2 mm. For semi finish boring, the company has introduced adjustable diameter boring bars starting from 8 to 40 mm with adjustment range 2-6 mm. For larger sizes, the company has twin blade boring bars starting from 40 to 200 mm.