欧洲精品乱码久久久久蜜桃,72式性无遮挡在线观看视频,夜夜操夜夜干,一区二区三区在线免费观看,色91av,欧美激情片一区二区,91cn国产在线

Main Products
Products Grade: XGSWRCH35KM
Specifications: φ5.5~24mm
Applied Standard:  agreement
Characteristics: different kinds of fasteners of class 8.8
Applications: Common fastenerHigh strength fastener
Use of Products: The non-annealed cold heading steel wire rod of XGSWRCH35KM has not just hgiher ductility ,lower strength but better fluidity and lower work hardening rate. For the XGSWRCH35KM, annealing can be leave out in the cold drawing process. XGSWRCH35KM wire rod can be used to manufacture flange bolts and nuts by cold heading after cold drawing.