M10 Male To Female M4 5 6 8 12 16 20 BSP NPT 1/8" 1/4" 3/8" 1/2" High Pressure Hex Reducer Bushing 304 Stainless Adapter Fitting

M10 Male To Female M4 5 6 8 12 16 20 BSP NPT 1/8" 1/4" 3/8" 1/2" High Pressure Hex Reducer Bushing 304 Stainless Adapter Fitting

Aliexpress UK