No need to bolt them, just put a few squares of blu-tack on the stand and it will be fine. I don't think most people bolt their speakers to the stands.
7.2.6 system. Monoprice HTP-1. JBL 590 fronts and 520 center all driven by a Bryston 6BST. 530 surrounds and NHT Superzero Atmos heights, all driven by 2 Bryston 9BSTs. Twin GSG Audio Devastators with LaVoce 214 drivers and pushed with a Behringer NX6000D amp. 2019 75" Vizio P-series Quantum.