8mm x 24mm Zinc Plated Steel Push Nut Bolt Retainers (12 pcs.)

Diameter: 8mm
Diameter 2: 24mm
Thickness: 2.7mm
Material: Steel
Finish: Zinc
Type: Push Nut

Box of 12.

Instead of threads a push nut uses flanges facing inward acting as teeth to hold it in place. It can be pushed or lightly tapped into place and requires cutting to remove.