The QA1 steel jam nut has a 5/8-18 right hand thread with a 15/16in hex and a 3/8in width. It is made from high carbon steel with a protective coating and references ANSI B18.2.2-1972.
Specifications:
- Thread: 5/8-18
- Thread direction: right hand
- Hex size: 15/16in
- Width: 3/8in
- Material: high carbon steel with protective coating
- Part number: JNR10S
FAQ
What thread does the QA1 JNR10S jam nut use?
It uses a 5/8-18 right hand thread.
What are the hex and width dimensions?
The nut has a 15/16in hex and is 3/8in wide.
What is this jam nut made from?
It is made from high carbon steel with a protective coating and references ANSI B18.2.2-1972.

