Supply of high-strength bolts, fasteners Yongnian County Bowen specializes in processing high-strength bolts, we have advanced technology, excellent equipment and processing high-strength bolts, high-tech assembly line, is a professional supplier of high-strength bolts, reasonable price, complete specifications so rest assured that you buy the product easy to use. Friction-type high-strength bolts must not slide high-strength bolts specifications, do not bear the shear bolt, once slip design to destroy the state is considered technically more mature; bearing type high strength bolt can slide bolt also under shear, and ultimately destroy equivalent to an ordinary bolt damage (bad or steel bolts shear crushed). Supply of high-strength bolts, fasteners Yongnian County Bowen specializes in processing high-strength bolts, we have advanced technology Yongnian high-strength bolts, excellent equipment, high-tech assembly line, is a professional supplier of high-strength bolts, reasonable price, complete specifications so rest assured that you buy the product easy to use. SP for impurity elements, their presence will generate segregation along grain boundaries leading to grain boundary embrittlement, damage the mechanical properties of steel, should be reduced as far as possible, set at P less than or equal 0.030%, S 0.035% or less. Manufacturers of high-strength bolts, high strength bolts, high strength bolts factory spec sheet | Bowen Bowen provided by Yongnian County fasteners. Yongnian County Bowen fasteners (www.bwjgj.com) strong, credible, in Handan fastener industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Bowen fasteners and you hand into the brilliant, for a better future!