1-1/4" BSP Brass Flanged Back Nut

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1-1/4" BSP Brass Flanged Back Nut

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5.0 average, based on 2 reviews


(Bulk discounts available)

Product Information
Quantity Discounts

This 1-1/4 inch BSP brass flanged back nut suits bathroom wash hand basin / bathroom sink waste fittings.

The outside diameter of the male 1-1/4 inch BSP thread that this backnut fits onto measures 41.91 mm / 1.650 inch.

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

Product CodeFUG
ManufacturerStevenson Plumbing and Electrical Supplies

You can save money on this item when you purchase several at a time. The table below shows the minimum quantities required to benefit from this discount offer, and how much they'll cost.

QuantityPrice per unit

Customer Reviews

Average Rating: 5

Excellent product

I bought this to use with the basin mate, which needs a quality backnut to tighten it up - not the plastic one that comes with the waste. Very nice product, well finished and delivered very quickly.Aries (11 May 2015, 18:42)

sturdy back nut lightning delivery

This brass basin waste back nut is a vast improvement on the inadequate plastic versions normally used these days. I needed a replacement for a plastic back nut that had fractured (as usual). I ordered two brass nuts with washers. They arrived 20 hours later- thank you Stevenson for the lightning fast service and good communications. (Stevenson's website explanation clears up the confusion between 11/4 inch BSP thread and the actual measurement of these nuts. This was most helpful)christopher shenton (25 Sep 2014, 10:48)
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