4-40 Blind Blind Nuts (24)
In Stock
The DuBro Bulk Blind Nuts, 4-40 (24) provide a clean and secure threaded anchor for hard-to-reach areas in your RC aircraft, RC car, or custom scale model builds. Designed with sharp locking prongs that seat directly into mounting surfaces, these zinc-plated blind nuts ensure sturdy threaded retention for engine mounts, cowls, and landing gear assemblies.
When assembling or modifying your radio control models, accessing the rear side of a firewall, bulkhead, or hatch can be nearly impossible once sealed. The DuBro Bulk Blind Nuts, 4-40 (24) solve this problem by permanently anchoring into wood, composite, or plastic structures. Featuring durable zinc plating to protect against rust, moisture, and fuel residue, these 4-40 threaded blind nuts ensure your heavy-duty components remain firmly fastened even during high-vibration maneuvers.
What applications are DuBro Bulk Blind Nuts, 4-40 (24) best suited for?
The DuBro Bulk Blind Nuts, 4-40 (24) are ideal for mounting RC airplane engines, landing gear, firewall plates, cowls, and hatches where backside access is restricted.
What material are the DuBro Bulk Blind Nuts, 4-40 (24) made from?
They are constructed from durable steel with a protective zinc plating that resists corrosion caused by moisture and exhaust residue.
How do you install the DuBro Bulk Blind Nuts, 4-40 (24)?
Drill a hole sized for the blind nut barrel, push the barrel into the backside of the hole, and thread a 4-40 screw from the front side, pulling tight until the prongs seat firmly into the mounting surface.







































