Assorted Rubber Nut Insert Set 40pc

Assorted box of 40 rubber/metal expanding well nuts. These removable and reusable fasteners feature a rubber body, with a metal threaded insert, and can be fitted by hand without the use of a RivNut gun. They are designed to insulate against heavy vibrations (helping to reduce noise), electrical currents, and form a water-tight seal when installed. Suitable for automotive, marine and aerospace applications.