Grease-Free Lead Screw Technology in Bionic Hand Prosthesis

Reliable and precise movement with no need for routine maintenance.
Oct. 23, 2025

Read this application story to discover how completely dry-running lead screw assemblies were used in the thumb of a prosthetic hand design. This grease-free solution provides a precise and powerful grip — the hand can carry bags up to 77 pounds — ensuring patient comfort and confidence during everyday use.