Sheet Metal Fabrication Tolerances Explained
If you’ve ever received a quote with a tolerance you weren’t sure how to interpret – or had parts that didn’t fit because an important tolerance was never clearly specified
3925 Stern Ave, Saint Charles, IL 60174
Company announcements, industry insights, and stories from the shop floor. Stay connected with what we’re building.
If you’ve ever received a quote with a tolerance you weren’t sure how to interpret – or had parts that didn’t fit because an important tolerance was never clearly specified

HFI Manufacturing launches a new website showcasing 50 years of stainless steel welding and fabrication for restaurant equipment, medical, and telecom markets — now with easy navigation and online quote requests.
Explore our history, news, career opportunities, and policies.
Full timeline from 1966 to today
Join the HFI team
Warranty and policies
Contact our team for media inquiries or press opportunities.