No, this thread is not a sealed thread. However, it can be used with thread silicon

Yes. It has been listed in the domestic industry standard TB/T3019-2001 of the Ministry of Railways.

Generally speaking, there is no limit. The MIN is M0.7 mm and Max M90 mm.

Yes. The obvious advantage of the  ESLO lock nut is that it is especially suitable for soft materials because its load is evenly distributed.
By evenly distributing the load, interlocking with the entire bolt, and re-distributing the compressive force in the radial direction, the bolt can effe......

Generally speaking, we do not recommend this approach. However, depending on the specific situation, it can also be formed by cold extrusion to form a 30 degree wedge thread, Or re-drill the hole and tap the thread with a larger anti-loosening tap.

We recommend using a drill bit larger than the standard thread size to drill the bottom hole. Although this work is not an absolute requirement, it will extend the life of your tools. For specific dimensions, please contact the relevant engineers.