Dubro 4-40x1.4 Bolt Sets & Lock Nuts Tool - DUB176

The Dubro DUB176 bolt set with lock nuts provides 4-40 x 1/4 hardware for securing RC aircraft components where vibration resistance matters. These are standard 4-40 thread fasteners widely used in RC aircraft builds and repairs, offering a reliable way to replace stripped or lost hardware during construction or maintenance.

Key Features

• 4-40 thread size is a common standard in RC aircraft hardware, compatible with many servo mounts, control horns, and airframe fittings
• Lock nuts are included to resist loosening caused by motor vibration and in-flight movement
• Suitable for both new builds and field repairs where replacement fasteners are needed
• Dubro is a well-established name in RC hardware, and the DUB176 is a consistent, known-spec part

What's Included

• Dubro DUB176 4-40 x 1/4 bolt set with lock nuts (quantity per pack — refer to packaging for exact count)

What You Need

• Appropriate screwdriver or hex tool for 4-40 hardware
• RC aircraft or airframe requiring 4-40 fasteners