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By certification 
Jiangsu Zhenya Special Screw Co.,Ltd is one of the leading China wing nuts manufacturers and suppliers, as a professional company, our productive factory is able to produce CE certification wing nuts at both high quality and low price. Welcome to buy discount and cheap, or wholesale products from us.
Wing nuts are one piece nuts with two wings( 180° apartthat) protrude from an integral round base with a flat bearing surface. They are used in low-torque applications that require quick or frequent adjustment or disassembly and are intended to be tighten and released using your fingers.Threads are standard right-hand
