THK MDK Series Miniature Precision Ball Screw

The THK MDK Series Miniature Precision Ball Screw is a compact ball screw designed for space-limited equipment requiring accurate and repeatable linear positioning. It is supplied with a precision-ground screw shaft and unfinished shaft ends, allowing the shaft ends to be further machined to suit specific installation requirements.

The MDK Series operates without preload and has a DN value of 70,000. It is available with screw shaft diameters from 4 to 14 mm and leads from 1 to 5 mm, with standard shaft lengths and unfinished shaft-end configurations available for different applications.

The series supports permissible rotational speeds of up to 4,740 min⁻¹ depending on the model, making it a practical choice for compact precision motion systems