THK MST Series Miniature LM Stroke

The THK MST Series Miniature LM Stroke is a compact linear motion unit made up of an ST shaft, ball cage and nut that can be combined to suit the application. Its small cross-section, minimal clearance and point-contact ball arrangement provide light, smooth, low-friction motion for precision equipment.

The MST uses 1 mm diameter precision steel balls in a copper alloy ball cage, while the heat-treated and ground shaft and densely arranged ball rows provide high accuracy and long-term durability. Available in 3, 4, 5 and 6 mm shaft sizes, permissible loads range from 68.6 to 216 N, depending on the combination.