NES nes21 5/16″ – 7/16″ Internal Thread Repair Tool

Nes NES21 5/16″ – 7/16″ Internal Thread Repair Tool
Operating Range
Out Diameter: 5/16″ – 7/16″
Pipes: 1/16″ – 3/16″
See inset image for Tool Dimensions.
One hand tool restores Inch or Metric, RH or LH fastener threads
Self-adjusting to any pitch and size within range
No need for calibration or identifying fastener thread type
Automatically chases good thread sections to repair the damaged parts
Hardened cutting blades (HSS)
Cutters will remove some burrs and “rust bunnies”
Nylon pads available to avoid marring softer metals or plastics
Replacement blades also available