They are called lock washers. Marcel Carey Sherbrooke, QC > > > > > Has anybody considered a split washer as a torsioning > device on flanges. > > > Bruce Browning-The Piano Tuner > > Another type washer that has been used in flanges is one > that is not > flat or split, but is warped in a fashion. Don't know it's > technical > name. > > Keith > -- > Keith McGavern > Registered Piano Technician > Oklahoma Chapter 731 > Piano Technicians Guild > USA > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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