Metric Precision Ball Screw (6-14 mm)

The ideal solution for laboratory, medical and mechatronic applications, Thomson’s FSI, TSI and RSI Styles of metric rolled ball screws deliver smooth and quiet operation and best in class load capacity.

Standard FSI Style (16-50 mm)

FSI Style metric ball screws combine the engineering and performance of high quality, German ball screws with North American manufacturing and logistics. The FSI Style provides the best in quality and performance at a competitive price.

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Metric Ball Nut Return System Overview

All ball screws require a recirculation system for the ball bearings. Thomson return systems are optimized for each diameter and lead combination to maximize load capacity, minimize footprint and guarantee smooth operation.

TSI Style Ball Nuts – Technical Specifications

  • Internal return threaded ball nut and screw
  • Cost-effective solution. Ideal for use in small spaces
  • Flexible solution for non-standard mounting
  • Available in two preloaded classes (Type Z2 or Z3)

RSI Style Ball Nuts – Technical Specifications

  • Internal return threaded ball nut and screw
  • Cost-effective solution. Ideal for use in small spaces
  • Flexible solution for non-standard mounting
  • Available in two preloaded classes (Type Z2 or Z3)