self drilling screws in wood

Aircraft structural fasteners play a critical role in ensuring the safety and reliability of modern aircraft. These small but essential components are responsible for holding together various parts of the aircraft, including fuselage sections, wings, and tail structures. Given the extreme conditions that aircraft operate under, such as high speeds, varying temperatures, and intense vibrations, it is imperative that the fasteners used in the construction of aircraft are of the highest quality and reliability.

...

Secondly,the desired holding power is another important factor to consider when selecting the correct wedge, bolt, and drill size. The holding power of a fastener is determined by its diameter, length, and thread pitch. Generally speaking, larger fasteners with higher thread pitches provide greater holding power. However, it's important to ensure that the fasteners you select are appropriate for the thickness of the material being fastened. If the fasteners are too large for the material, they may not be able to penetrate the material fully, resulting in reduced holding power.

...