The NF sizes are: 5/8"-18, 3/4"-16, 7/8"-14, 1"-14, 1-1/8"-12 and 1-1/4"-12.
Vintage Blue Point USA Axle Spindle Thread Repair Chaser Die AR-6
Cornwell Axle Spindle Thread Repair Chaser Rethreading Die Tool 3/4 - 1-1/4 USA
10-Piece Axle Spindle Thread Chaser Set, Thread Rethreading Restorer Tool Metric
Axle Spindle Thread Restorer Set M16-M27 SAE Metric Thread Repair Tool Kit
16-Piece Axle Spindle Thread Chaser Set, Thread Rethreading Restorer Tool Metric