#8-32 x 1/2" Rubber Coarse Thread Wide Head Well Nuts (16 pcs.)

Diameter: #8
Length: 1/2"
Material: Rubber
Head Style: Wide
Thread Size: 32 (Coarse)
Type: Well Nut

Box of 16.

A well nut is a type of fastener used to blindly fasten a piece and to seal the bolt hole. It consists of a flanged neoprene bushing with a nut embedded in the non-flanged end. The bolt is passed through one of the pieces to be fastened and threaded onto the nut from the flanged end.