Flat Tap Washer 3/8" BSP Replacement Tap Washer 16mm Diameter (Pack of 5) SKU : 100237 Flat Tap Washer Replacement Tap Washer 3/8" BSP - British Standard Pipe Thread Outside Diameter : 15.80mm Inside Hole Diameter : 4.65mm Thickness : 4.60mm Quantity in Pack : 5 Please note BSP Sizes are not the same as displayed on a ruler. If you are unfamiliar with BSP sizes please use the metric size as your reference.
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