Flange Nut

Haixin® Flange nuts are the strong and advantage products of Ningbo HaiXin .And Ningbo HaiXin is one of the biggest flange nuts factories in China. Our factory focuses on the development and production of high strength fasteners and special fasteners for industrial and construction fields. After years of continuous development, Ningbo Haixin has its excellent technology and production team, and has become a professional fasteners manufacturer for the global market.We hope to establish a friendly cooperative relationship with your company with high quality products, reasonable price, considerate service and create a better future together.

Haixin® Flange nuts have a wide flange at one end that acts as an integrated, not-spinning washer. This serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface. Hex flange nuts have become more and more popular in wind energy field. Many wind turbine customers have changed common HV hex nuts to hex flange nuts. This is a trend, because hex flange nuts have better and safer performance.

Our factory strictly carries out every test of the flange nuts. Testings including dimensions, gauges, decarburization, 90% martensite, MPI, hardness, proofload, run out, marks and finish are carried out on every batch. So the quality can be fully guaranteed. The flange nuts have been well accepted by wind power giants and widely exported to Germany, Denmark, Norway, Spain, Great Britain, Poland, India, etc.

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Hex Flange Nuts

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.

Special Flange Nut

This 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.

Collar Nuts

Ningbo 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.