Our company manufactures high-quality tools for repairing the thread on the axes, etc.
Video: http://www.youtube.com/watch?v=5so1iMsx-F0
For example:
75mm x 1.5 Metric Right hand Thread Die M75 x 1.5mm Pitch
75mm x 1.5 Metric Left hand Thread Die M75 x 1.5mm Pitch
72mm x 1.5 Metric Right hand Thread Die M72 x 1.5mm Pitch
72mm x 1.5 Metric Left hand Thread Die M72 x 1.5mm Pitch
Using our tool reduces the cost and time to repair.