Supply of high-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 of high strength bolts so rest assured that you buy the product easy to use. 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 EHV device, in order to ensure a sealed container, the need to impose greater prestressing. Supply of high-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 high-strength bolts wholesale suppliers of high strength bolts, high strength and reasonable price Bolt selection, complete specifications of high strength bolts size, allowing you to buy rest assured that the product easy to use. B. maximum amount of boron were 0.005%, since boron steel, while having significantly increased permeability and so on, but will lead to increased brittleness of steel. Boron content is too high, the need for such good mechanical properties of the workpiece bolts, screws and studs is very unfavorable. List of high-strength bolts factory specification strength bolts _ | _ Bowen, Yongnian County, Jinzhong strength bolts provided by 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.