Profile: R H G Stone Engineering offers fabrication and machining services. Our machining services include CNC milling and turning, cylindrical external & internal surface grinding, horizontal boring, planning & slotting. Our machining facilities also allows us to offer refurbishment of existing tooling. Cylindrical grinder is mounted on a reinforced concrete base isolated from the surrounding area. Our drive shafts are manufactured to close tolerance due to the high speed required for operation. Our vibratory stress relieving unit is coupled as appropriate to a high or low speed vibration actuator. We also arrange for thermal stress relieving and other heat treatments at suitable companies.