As a 1/4 black backnut Manufacturer, share with you. Backnuts are hexagonal in shape and feature a flanged section that secure tap fittings to bathroom furniture such as baths, basins and sinks. Brass backnuts tend to offer stronger and longer lasting use as brass is a highly durable material , however plastic ones are also available. We stock various diameters depending on your needs.
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Our company also has 1/4 black backnut on sale, welcome to contact us.