1.1/4" INCH BSP THREAD 32MM (MEASURES 40MM) PLASTIC FLANGED BACKNUT BASIN WASTE

Nut which Threads on to the Bottom Of Basin Waste to Fasten to Basin.

Nuts Can Sometimes break due to over tightening - Great Replacement

1 1/4" BSP Thread Size


The 1 1/4″ (32mm) backnut is suitable for bathroom basin wastes.

BSP (British standard Pipe Thread) sizes do not match up with a ruler.
There's about 1/4" difference between the name of the thread and it's physical size.
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