Haixin® Hex flange nuts are the new products of Ningbo Haxin Hardware Co.,Ltd. After years of development, Hex flange nuts have become the strong and most important products of our factory. They have been well accepted by wind power giants and widely exported to Germany, Denmark, Norway, Spain, Great Britain, Poland, India,etc.
Read MoreSend InquiryThis special Haixin® flange nut is also known and called collar nut. Compared with regular flange nut, there are two main differences. First, this special flange nut has strict and high requirement on run-out. Second, shape and appearance of the special flange nut is different, that is the diameter of its circle is equal to the width across the corner of the hexagon. Ningbo Haixin Hardware Co., Ltd has been researching, producing and supplying this special flange nut for many years.Our factory can offer premium quality collar nut to you with competitive price.
Read MoreSend InquiryNingbo Haixin is the biggest collar nuts factory in China. With 30 years of fasteners production experience, our factory can produce various high quality collar nuts with different diameters, raw materials and surfaces. As our strong and advantage products, the collar nuts have been well affirmed by wind power giants and widely exported to Germany, Denmark, Norway, Spain, Great Britain, Poland, Australia, India, etc. And HX® has become a well-known trademark and brand in global fasteners fields. We hope to establish a friendly cooperative relationship with your company with our high quality collar nuts, reasonable prices, considerate service and create a better future together.
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