3.2mm x 9.6mm Zinc Plated Steel Push Nut Washers

Diameter: 3.2mm
Diameter 2: 9.6mm
Thickness: 1.3mm
Material: Steel
Finish: Zinc
Type: Push Nut

Box of 20.

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.