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Category 08.

Linear Motion

Precision linear guides, ball screws and rail systems for CNC, automation and motion platforms.

12 SKUs · genuine product · primary distribution

Precision motion components carry tolerances measured in microns, and a linear guide or ball screw's accuracy class is set at manufacture — it can't be restored once a counterfeit or worn substitute is installed in place of genuine stock. PINARS stocks Hiwin linear guides, ball screws and rail systems for CNC, automation and general motion-platform applications where positioning accuracy and repeatability are the actual spec, not just a nice-to-have.

Because linear rail and ball screw assemblies are typically matched pairs (rail-and-block, screw-and-nut) manufactured and accuracy-graded together, PINARS supplies genuine matched sets rather than mixing components across accuracy grades or production runs, which preserves the rated accuracy class the OEM originally specified.

These components support CNC machine builders, automation integrators and OEM equipment manufacturers who need documented, traceable sourcing for their own build records — purchase records are retained and available on request.

Common questions

Do you supply matched rail-and-block or screw-and-nut sets?

Yes — for accuracy-graded linear motion components, we supply genuine matched sets as manufactured, since mixing components across production runs can affect the rated accuracy class.