Blind rivet insert, a component with an installed blind rivet insert and method for installing such a blind rivet insert in a component opening

A blind rivet insert, comprising:

• a. a bearing head forming an annular flange and
• b. a shank extending from an underside of the bearing head and comprising a head end, a foot end and a cylindrical bore extending in lengthwise direction from the head end to the foot end, and having a first bore segment near the foot end, provided with an internal thread, and a second bore segment near the head end whose diameter is greater than the diameter of the first bore segment, the wall surrounding the second bore segment forming a deformable region of the shank, wherein
• c. the underside of the bearing head comprises an annular underhead groove concentrically arranged to the shank and adapted for receiving a sealing ring in a mounted condition of the blind rivet insert, and
• d. at least one annular retaining shank groove extends circumferentially around the shank, being arranged adjacent to the underside of the bearing head, for retaining the sealing ring in a preloaded position before mounting the blind rivet insert.