Is it necessary to thread the drill guide bushing into the drill guide during assembly?

Threading the drill guide bushing into the drill guide during assembly is necessary because it ensures that the bushing is securely positioned. This step is critical for maintaining alignment and accuracy when drilling, which can significantly affect the integrity of the assembly. A properly threaded bushing helps to minimize any potential movement during the drilling process, thereby preventing misalignment of holes which could lead to issues in the final assembly, such as improper fit or structural weaknesses.

While some cases might not require threading—such as when different mounting methods or designs are specified—having a thread allows for a robust connection that is generally preferable in aerospace applications. Therefore, ensuring the bushing is threaded correctly aligns with best practices for achieving dependable and safe assembly standards in aircraft manufacturing.