3/8 inch BSP Flanged Brass Backnut

IMPORTANT SIZING NOTE - Most plumbing products are measured using BSP thread dimensions which measure 1/4 inch larger than that stated, therefore this 3/8 Inch BSP thread actually measures 5/8 Inch in diameter. If your thread measures 3/8 Inch in diameter then you require the 1/8 Inch version of this product This listing is for a Pack of 1 Outer diameter - 32mm, thickness - 9mm Spanner Size - 21mm This product is available in singles, as well as more cost effective multiples of 2,5 and 10 from our store