DU-BRO Socket Head Bolt & Blind Nut Set – RC Engine Mounting Kit

The DU-BRO Socket Head Bolt & Blind Nut Set provides strong, dependable hardware for securely mounting engines and other high-stress components on your RC aircraft. Designed for modelers who want precision, durability, and ease of use, this kit includes everything needed to create a solid, vibration-resistant installation that holds up to repeated flights.

Each package contains four complete hardware sets, making it ideal for new builds, repairs, or upgrading older models. Every set includes:

• 4 socket head bolt

• 4 flat washer

• 4 lock washer

• 4 blind nut

• 1 included Allen wrench (for easy tightening)

The socket head design offers excellent tool engagement and helps prevent stripping, making installation easier and more secure than standard Phillips screws. DU-BRO uses high-strength steel fasteners, ensuring the hardware can withstand engine vibration, power pulses, and long-term use without loosening or failing.

The included blind nuts mount on the inside of the firewall, creating a strong anchor point that won’t pull through wood or composite materials. The lock washers add extra vibration protection, helping ensure everything stays tight once installed.

Available in two weight and size options:

• #129 – 10 grams per package

• #130 – 15 grams per package

Whether you’re mounting a glow engine, gas engine, or electric motor, this kit gives you the strength and reliability needed for safe, consistent operation. The included Allen wrench adds convenience and helps you install the hardware quickly and correctly.

Built for serious RC pilots and trusted throughout the hobby, the DU-BRO Socket Head Bolt & Blind Nut Set is the perfect hardware solution for strong, secure engine mounting.