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- Precision rolled (PR)
- High Precision rolled (HP)
In general, both grades use the same preload method as precision ground ballscrews, except that there are some differences in the lead error definition and geometry tolerance.

- Precision rolled (PR)
- High Precision rolled (HP)
In general, both grades use the same preload method as precision ground ballscrews, except that there are some differences in the lead error definition and geometry tolerance.

