Stay bolt data

I’m looking into putting lock nuts on the nuts that keep coming loose upstairs. In order to figure out what’s needed I’m taking lots of measurements, which may come in handy in the future.

Two of the bolts are too short for lock nuts.

Bell Thickness/length (mm)
Headstock Stay holes Stay bolts
Treble 72 50, 60 140, 140 (short)
#2 72 55, 65 150 (short), 160
#3 79 55, 60 160, 180
#4 86 62, 70 170, 180
#5 93 55, 67 160, 180
#6 102 55, 70 180, 200
#7 108 53, 68 200, 200
Tenor 125 55, 70 200, 220
Advertisements