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NEW Nilfisk Hot Pressure WashersPressure WashersMachine Parts by BrandPumps & SparesPopular High Pressure HosesHose ReelsNozzlesPressure Washer TriggersUnloader ValvesInterpump Service KitsConnect pressure washer hoses, guns, lances and machine components with BSP and M22 adaptors, quick release and KEW style couplings, Kärcher K-Lock compatible connectors, and swivels. Check the connection size, pressure rating and coupling type before ordering. Use our BSP Thread Size Chart to check threaded connections, or contact Flowjet if you are unsure.
BSP Thread Size |
Female Inside Diameter |
Male Outside Diameter |
|
1/8" |
8.6mm |
9.7mm |
|
1/4" |
11.5mm |
13.2mm |
|
3/8" |
15.0mm |
16.7mm |
|
1/2" |
18.6mm |
21.0mm |
|
5/8" |
20.6mm |
23.0mm |
|
3/4" |
24.1mm |
26.4mm |
|
1" |
30.3mm |
33.3mm |
|
1 1/4" |
39.0mm |
41.9mm |
|
1 1/2" |
44.9mm |
47.8mm |
|
2" |
56.7mm |
59.6mm |
|
2 1/2" |
72.2mm |
75.2mm |
|
3" |
84.9mm |
87.9mm |
|
4" |
110.1mm |
113.0mm |