Dear Customer
Our Customer Service will be available again as of 2 January 2025.
Please note that new registrations and requests to be processed manually will only be processed from this point onwards.
You can of course place orders and receive downloads online at any time.
We wish you happy holidays, a peaceful time and a healthy New Year!
Your DIN Media
Standard [CURRENT]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
This standard specifies shapes and dimensions for ball seats intended for use with supporting, grinding or polishing tools in optical manufacturing. The ball seats can be connected to the tools by working them in, screwing them in, pressing them in or inserting them. This document has been prepared by Working Committee NA 027-01-11 AA "Fertigungsmittel der Optik" ("Production means in optical engineering") at DIN Standards Committee Optics and Precision Mechanics (NAFuO).
This document replaces DIN 58729:1977-07 .