Overview
The Du-Bro 4-40 x 3/8" Socket Head Cap Screws are precision-machined fasteners ideal for shorter-grip applications on RC airplanes, helicopters, and surface vehicles. The internal hex socket allows for high installation torque, and the black-oxide finish resists corrosion.
Sold as a 4-pack for convenience at the workbench or trackside.
Key Features
- 4-40 thread, 3/8" length
- Internal hex socket drive
- Black-oxide plated finish
- 4 screws per package
- Trusted Du-Bro quality
Performance Benefits
- Strong, reliable fastening
- Hex drive resists stripping
- Corrosion-resistant finish
- Compact length for tight grip applications
Usage Notes
- Ideal for short-grip mounting applications
- Use a 3/32" hex driver for installation
- Apply thread locker for vibration-prone areas
Technical Specs
- Thread Size: 4-40
- Length: 3/8"
- Drive: Internal hex socket
- Finish: Black oxide
- Quantity: 4 per package
What's Included
- (4) Du-Bro 4-40 x 3/8" Socket Head Cap Screws
Summary
- 4-40 x 3/8" socket head cap screws
- Black-oxide finish
- Strong, reliable RC hardware
- 4 per package
