https://www.belmetric.com/Things are breaking off, threads are reaming out, and the HD&M is showing its age, so...
I just received an order from these folks and had fast service combined with very reasonable prices. They carry most anything that holds parts together on a Guzzi along with taps, dies, etc.
If someone already posted this then just ignore, but I have had major computer problems and cannot find the energy to ride, surf the 'puter, keep up with all of you, etc.
If you've ordered hardware from the mother ship then you know how pricey it can be and how long it can take to get here.