which thread is better

Какая резьба лучше? Тест. Советская или современная?Какая резьба лучше? Тест. Советская или современная?

Which carving is best? Test. Soviet or modern?

Let's compare the thread of a Soviet bolt and a modern stud. This small test will show who is closer to the GOST standards.

3 years ago
For any suggestions on the site: nsk-osb@cp9.ru