Core Structural Fastening Solutions for KF-21 (KF-X)

To ensure the structural integrity of the KF-21, Korea’s first indigenously developed fighter aircraft, we are developing advanced fastener technologies for critical high-load structural areas. These components are designed to withstand extreme mechanical stress and operational demands.

Key Development Scope

• Vertical Tail Attach Fittings

Development of High-Strength Spline HD Bolt

Secured design technology for high-strength spline bolts and dedicated nuts/washers to firmly secure the vertical stabilizer to the airframe structure.

• Bolt: MS14181
• Nut: MS14182
• Washer: MS14183