These are Du-Bros "Permanent Mount" 2-56 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 3.2mm hole to install
- Diameter: 6.8mm OD of flange
- Length: 3.9mm
- Thread Size: 2-56
Used with permission, copyright 2018 Dubro RC/Tower Hobbies, Inc. Copyright 2018 Brey Corp. t/a Hobby Works.