agraffes on - agraffes off

[Ron Nossaman]

>> The new agraffes we get here for the Steinway have a sharply angled
>> seat so that as you screw them down the brass is crushed and you are
>> supposed get the alignment that way without using shims.  American
>> agraffes are different as regards the thread, so maybe it's only the
>> German agraffes that are like this.
>
>The agraffes I got from Painotek have quite an angle on the base - the outer
>part being the first to contact that plate. They sound like the same type of
>feature you are describing. I found that you get quite a bit of travel
>(turning) after the base first contacts the plate.


I suspect that's the reason for the undercut. 

Thanks all for the realistic responses. 

Ron N