Anti Loosing Method of Outer Hexagon Bolt

Anti loosing method of outer hexagon bolt 1、 Permanent anti loosing method Spot welding, riveting, bonding, etc. This method mostly needs to crush the threaded fasteners during disassembly, which can not be reused. 2、 Friction anti loosing method This is one of the most widely used anti loosing methods. In this method, a positive pressure [...]