1/2" Fibre Washer - Bag of 5

This listing is for a Pack of 5 Important Sizing Note - Most plumbing products are measured using BSP thread dimensions which measure 1/4 inch larger than that stated, therefore the 1/2 Inch BSP thread this fibre washer is made to seal actually measures 3/4 Inch in diameter. If the thread you need to seal measures 1/2 Inch in diameter then you require the 1/4 Inch version of this product Metric equivalent outside diameter - 18.35mm, metric equivalent hole diameter - 14.7mm (for information only - metric threads are not compatible with BSP threads) Thickness - 1.4mm Material - Fibre, Weight: 0.110231131 Pounds, Manufacturer: Primaflow