Flange nut have a built in flange and act as an integrated washer, serrated surface below the washer avoids loosing fastener on unplain surface. Flange nut are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.
Deira, Dubai, U.A.E Factory Address: Industrial area 12, Sharjah
+971- 4- 388- 2753