Nes NES21 5/16″ – 7/16″ Internal Thread Repair Tool

The NES 21 is a universal internal thread repair tool. This easy-to-use tool operates by adjusting the knob that sets the proper internal diameter of the tool to the good thread below the damaged thread and the 60 degree blade floats to the correct pitch. The NES 21 has a working capacity from 5/16 in. to 7/16 in. NES External and Internal thread restorers are the ideal tools for saving money during maintenance, plumbing, construction, agriculture, car repair and many other applications where there are components with a damaged thread. Compare the cost of disassembling the part in order to repair a component with the INSTANT repair that need to be performed with the NES External and NES Interal thread restorers.