Success Milestones

Invented the Hydra-Lock principle: Hydraulically actuated part and tool holding.

Hydra-Lock Corporation

Hydraulically Operated Arbors, Chucks, Gages, Tool Holders & Fixtures


Located north of Detroit in Mt. Clemens, Michigan, Hydra-Lock Corporation is a pioneer of hydraulic tool-holding and part holding technology. As the original developer of the concept for hydraulically expanding arbors and chucks, we are the only manufacturer who produces all three classes of precision work-holding devices that utilize this sophisticated technology.

Hydra-Lock has brought reliable, accurate and repeatable work-holding results to the aerospace, defense, medical, vehicle and gear industries since 1947. And with over 80 patents globally, we remain committed to providing innovative work-holding solutions in today’s dynamic marketplace for companies who have more than just run-of-the-mill parts.  In addition, Hydra-Lock products are made in the USA, 100% repairable & recyclable!

Discover how Hydra-Lock helps its customers build higher-quality parts in less time and with more savings.