1-1/2" BSP Alloy Flanged Back-nut

1-1/2" BSP Alloy Flanged Back-nut
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1-1/2 inch BSP alloy back-nut.

This 1-1/2 inch BSP nut is the size needed for a bath or kitchen sink waste.

The outside diameter of the male 1-1/2 inch BSP thread that this backnut fits onto measures 47.80 mm / 1.882 inch.

Bathroom wash hand basin wastes use a nut with a smaller 1-1/4 inch BSP thread.

** BSP thread sizes are measured a special way - have a look at our information page for more details **

Product CodeFUK

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