The M22 Thread size is common on hose and lance ends, and unloader valve outlets on the pressure washers sold at Lawn and Power
M22 male adaptor. 3/8" BSPF to M22x1.5M thread 275 bar. Part code 52.224
M22 Male to 3/8" BSP Female 500 Bar / 7250 Psi - Stainless Steel Coupler. Part code 51.224
M22 Male to 3/8" BSP Male high pressure adaptor / coupler made with stainless steel, Has a 500 Bar / 7250 psi max pressure.
1/4"BSP Male to M22 Male thread 500 Bar / 7250 Psi max pressure. Part Code 51.275