Thread Adapters For M8 8mm Male To M6 6mm Female Threaded Reducers | eBay
5 x THREAD ADAPTERS - M8 MALE TO M6 FEMALE - THREADED REDUCERS | eBay
3/8" male to M6 female thread adapter — PanoSociety
10X Thread Reducer ADAPTERS M8 8MM MALE TO M6 6MM FEMALE Stainless Steel - Walmart.com
Buy Fitting Reducer Metric M12 X 1.75 M12X1.75 Male to M8 X 1.25 M8X1.25 Female Thread Adapter Gauge Meter Bushing Online in Saint Helena, Ascension and Tristan da Cunha. B07FRNY84S