Site contact
Contact
Use this page to report incorrect dimensions, broken links, calculation issues or suggestions for improving the O-ring tools.
Data corrections
When reporting a dimensional issue, include the standard, size designation, the value shown on this site and a reliable source for the correction.
Tool feedback
For calculator problems, include the input values, units and the result you expected. This makes technical issues much easier to reproduce.
Before launch, replace the placeholder address below with the real site contact address.
your-email@example.com
Important: O-Ring Size Finder is an independent reference and engineering utility site. It is not an official publication of SAE, ISO, JIS, BSI, Parker, Trelleborg or another standards organization.