These are Du-Bro's "Permanent Mount" 8-32 Blind Nuts.|
Zinc plated, metal construction.
Ideal for mounting engines, landing gear, cowls, hatches, etc.
The perfect mounting nut for hard to reach areas.
(4) Blind Nuts
Drilling a 5.5mm hole to install
Diameter: 12.7mm OD of flange
Thread Size: 8-32