Who owns Magna-Lock USA?

Obsidian Manufacturing Industries is the OEM for all Magna-Lock USA workholding. Magna-Lock USA has over 75 years of workholding and can be found on machines such as Mattison surface grinders, Brown & Sharpe machines, and all kinds of other machining processes.

What is the best way to reach a workholding expert?

You are able to email sales@obsidianmfg.com or call 815-962-8700 ext 206 for immediate help. Our office hours are M-F 7:00a-4:30p.

Are you able to troubleshoot my workholding product?

Most of our Magna-Lock USA products are able to be diagnosed over the phone. Please call 815-962-8700 ext 202 for our service department. You are also able to email sales@obsidianmfg.com.

How do I request a quote for workholding I need?

You can head over to magnalock.com/quoterequest, call 815-962-8700 ext 205, or email sales@obsidianmfg.com.

Obsidian Manufacturing Industries, Inc_edited.webp

History of Magna-Lock USA

Ralph V. Hanchett and 2 of his son-in-laws purchase electromagnetic chuck line and from Hanchett Magna- Lock.

Hanchett Mfg. Co.

1948

Hanchett Magna-Lock is renamed to Magna-Lock Corporation.

Hanchett Magna-Lock

1970

Magna-Lock Corporation is purchased by Hitachi Metals American Ltd. and the Hitachi Magna-Lock Corporation name is now used

Hitachi Magna-Lock Corporation

1974

Sundstrand Magnetic Product Co. in Belvidere, Illinois sells their Power-Grip lift magnet and magnetic product lines to Hitachi Magna-Lock Corporation where they are joined with the current models.

Sundstrand Power-Grip

1975

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Industrial Impact

Hover over each photo below to see our impact on major manufacturing booms in the world.

The Future

While our history has set the stage for our base of workholding mastery, our future focuses on innovation and integration into modern day manufacturing. Check it out below.

The Future of MLUSA

Frequently asked questions

General