Now we have a totally new way of thinking to prevent the nuts from loosening. This design will provide the same effect as the washer. Reduce costs and installation procedures.

One-piece, closed on one side, Adapt to various high pressure environments. Increasing surface roughness inside makes the component difficult to slip off. Protect electronic components safely.

Matching of copper ring and stainless steel housing provides good electrical conductivity and rust resistance at the same time.