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, allowing you to buy the rest assured useful products. Judging from the intensity level: high-strength bolts, the increasingly widespread use. Common 8.8s and 10.9s two intensity levels 8.8 strength bolts, the majority of which 10.9. Ordinary bolt strength grade is lower, typically 4.4, 4.8, 5.6 and 8.8. Supply of high-strength bolts, Yongnian County Bowen specializes in processing high-strength bolts fasteners Yongnian 8.8 strength bolts, we have advanced technology, excellent processing equipment 8.8 strength bolts, high-tech assembly line, is a professional high-strength Bolts supplier, reasonable price, complete specifications 8.8 offer high strength bolts, allowing you to buy rest assured that the product easy to use. 8.8 and 8.8S is the same level. Ordinary bolt force performance and calculation method with high-strength bolts were all different. The first force is applied to high-strength bolts through its internal pre-tension P, then generate friction in the contact surface between the connected components to withstand external loads, while ordinary bolt is subjected to external loads directly. Manufacturers recommend | Bowen, Yongnian 8.8 strength bolts, high strength bolts 8.8 by Yongnian County Bowen fasteners. Yongnian County Bowen fasteners (www.bwjgj.com) adhere to the "people-oriented" business philosophy, has a professional staff, and strive to provide the best products and services to contribute to the community, and to welcome new and old customers to visit and sincere cooperation for a better future. Bowen fasteners - your trusted friend, Company Address: Yongnian County, Hebei Province, Handan City beachhead west industrial area, contact: Guochao Feng.