5/8
For 5/8, thread standard is NPT; threads per inch (tpi) is 14; major (outside) diameter (mm) is 22.9, recorded from its source on 2026-08-12.
- Thread standard
- NPT our reading
- Nominal size
- 5/8 verified
- Threads per inch (TPI)
- 14 verified
- Major (outside) diameter (mm)
- 22.9 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
-10 (5/8) | 14 | 22.9 | 0.90 | 21.1 | 0.83
— trimantec.com, retrieved 2026-08-12
Source
- trimantec.comhttps://trimantec.com/blogs/t/thread-identification-guide