top of page

Welcome to

Arter Precision Surface Grinding Machines new, repair, preowned, rebuilds, spare parts, and accessories
Magna-Lock USA workholding electromagnetic chucks, chuck accessories, vacuum workholding chucks, MagnaVises, chuck rebuilds, chuck repairs, and more
MagnaLift & Power-Grip lift magnets. New lift magnets for all industry, high lifting capacity, easy to use. Annual lift magnet load testing for safety.

Explore our OEM brands

About Us

Who we are

Obsidian Manufacturing Industries, Inc. is a Small Business Association certified Woman Owned Small Business based out of Rockford, IL.


We are the culmination of over 300 years of industrial manufacturing and are committed to helping you find solutions to your manufacturing needs.

We are the original equipment manufacturer for Magna-Lock USA workholding, MagnaLift & Power-Grip lift magnets, and Arter Precision Grinding Machines, with each brand having over 70 years of history behind them.

Our work is trusted across 30+ industries and is used in the most crucial elements of manufacturing. Read more about our brands below.

Obsidian Manufacturing Industries Surface Grinding Services. Large capacity surface grindign services with operators with over 100 years of manufacturing experience.
Magna Lock Logo
MagnaLift Logo
Arter-Logo (Final)

"The support of your products is awesome!" - Phil, enduring Magna-Lock USA customer

"I didn't realize you manufactured the magnets.  I thought you were just a distributor." - Bill, new lift magnet customer.

"Other grinders just don't give the same finish as the Arter because the Arter has the cast iron base." - Mike, long standing Arter customer

"You guys always quote competitively and have great turn around times." - Jeff, grinding customer


Find us on socials

  • Instagram
  • Facebook
  • Twitter
  • LinkedIn
  • YouTube
  • TikTok
bottom of page