Hi Bob,
Here is a discussion on the Otter switch setscrews: Otter switch setscrews - #13 by Roger_Payne.
The R indicates the strength grade.
Regards,
Clive.
Hi Bob,
Here is a discussion on the Otter switch setscrews: Otter switch setscrews - #13 by Roger_Payne.
The R indicates the strength grade.
Regards,
Clive.