Overview
The Du-Bro 4-40 Blind Nuts are press-in threaded inserts that create strong, hidden mounting points in wood, plywood, and composite RC airframes. The pronged flange grips the back of the material to prevent rotation, while the internal 4-40 thread provides a clean, reusable mounting point for screws and bolts.
Sold as a bulk 24-pack — perfect for stocking the workbench or completing multi-fastener installs.
Key Features
- 4-40 internal thread
- Pronged flange prevents rotation
- Creates hidden mounting points
- Bulk 24-pack value
- Trusted Du-Bro quality
Performance Benefits
- Strong, durable thread in soft materials
- Reusable mounting point — install screws repeatedly
- Clean, finished appearance
- Bulk pack offers great value
Usage Notes
- Drill correct-size pilot hole
- Press blind nut from back side until prongs seat
- Use with 4-40 screws and bolts
Technical Specs
- Thread Size: 4-40
- Quantity: 24 per package
What's Included
- (24) Du-Bro 4-40 Blind Nuts
Summary
- 4-40 blind nuts in bulk 24-pack
- Hidden mounting solution
- Strong threads in soft materials
- Essential RC hardware
