Supply of high-strength bolts, fasteners Yongnian County Bowen specializes in processing high-intensity strength bolts bolt specifications, we have advanced technology, excellent high strength bolt processing equipment, high-tech assembly line, is a professional high-strength Bolts supplier, reasonable price, complete specifications, allowing you to buy the rest assured useful products. High-strength steel, or the need to impose a large bolt preload, can be called a high-strength bolts. High strength bolts used for connecting bridges, rail, high pressure and ultra-high pressure equipment. This bolt fracture mostly brittle fracture. Applied to high-strength bolts ultrahigh strength bolt parameters on the device, in order to ensure a sealed container, it is necessary to impose a large prestressed. Supply of high-strength bolt strength bolts, fasteners Yongnian County Bowen specializes in processing high-strength bolts, we have advanced technology, excellent equipment, high-tech assembly line, is a professional supplier of high-strength bolts, reasonable price, Complete specifications, allowing you to buy the rest assured useful products. Its surface condition and thread accuracy good or bad, will directly affect the host's life and safety. In order to improve the coefficient of friction to avoid corrosion in the course, killed or stuck, the technical requirements of its surface should be nickel-phosphorus plating treatment. Coating thickness to ensure that within the range of 0.02 ~ 0.03mm, coating evenly, compact, no pinholes. High strength bolt specifications, Yongnian manufacturers | Bowen (certified), high strength bolt provided by Yongnian County Bowen fasteners. Yongnian County Bowen fasteners (www.bwjgj.com) is Handan, fasteners leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Bowen fasteners leadership with the staff warmly welcome all inquiries negotiations to create Bowen fasteners a better future.