Hebei Qierjie New Energy Technology Co.,Ltd, professional manufacturer for solar panel mount or called PV support bracket products, Flange Nut Galvanized, the main accessory for PV support bracket project during building solar system installation.
Hex flange nut are used for pipe connections or parts which needed to increase the fitting surface with nut mostly.It鈥檚 one piece of washer and nut ,and there is the anti-slip tooth on the bottom
http://www.qejfasteners.com/photovoltaic-support/
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