When the local anchor bolts are hardened, i.e. during heat treatment, different heat treatment methods should be selected according to the specific situation. For example, during quenching, the temper
2023-06-271. Stud: A type of fastener without a head and only with external threads on both ends. When connecting, one end of it must be screwed into the part with an internal threaded hole, and the other end m
2023-06-271. If the substrate material is very soft and damage has occurred around the hole where the fastener is installed, there may be a problem of pull-through failure during the tightening process of the f
2023-06-27Disadvantage: Need to break the tail treatment, as the "small tail" on the screw sleeve is only used to play a certain thread guiding role during the installation process and has no meaning
2023-06-27Copyright © 2012-2021Jiangsu Xingbao Fastener Co., Ltd all rights reserved