[TR] Is there a rule of thumb on when to use a flat washer with a lock nut/nyloc?

[Hugh Barber]

Don Spence wrote:
> Why?  Must be a good reason.
> On 13-Aug-07, at 11:59 AM, triumphs-request at autox.team.net wrote:
>
>   
Don't have any of his books in front of me at the moment, but I recall 
that it had to do with spreading the fastener load and reliable torque 
readings.

Hugh