1 1/4" Flanged Brass Backnut (Known as backnut/tap backnut/Plumbing Nuts Also Available in 1/2 Inch, 3/4 2 Inch BSP)

IMPORTANT SIZING NOTE - Most plumbing products are measured using BSP thread dimensions which measure 1/4 inch larger than that stated, therefore this 1 1/4 Inch BSP thread actually measures 1 1/2 Inch in diameter. If your thread measures 1 1/4 Inch in diameter then you require the 1 Inch version of this product This listing is for a Pack of 1 Often used for securing a 1 1/4 Inch BSP waste to a basin or sink which actually measures 1 1/2 inches in diameter (please see previous note on sizing BSP threads) Outer diameter - 55mm, thickness - 10mm, Spanner Size - 46mm Threaded Brass Fittings