What are solid rivets primarily classified by?

Solid rivets are primarily classified by head shape, material, and size because these characteristics determine the rivet's suitability for different applications and its performance under various conditions.

Head shape influences how the rivet will sit and be secured in the material, and it can vary in forms such as round, flat, or countersunk. The material of the rivet, often aluminum, steel, or titanium, affects its strength, durability, and resistance to corrosion, which is critical in aerospace applications. Lastly, the size of the rivet, which includes its diameter and length, must be appropriate for the thickness of the materials being joined to ensure a secure and effective fastening.

In summary, understanding these classifications is essential in selecting the appropriate solid rivet for aircraft assembly and maintenance, ensuring safety and performance standards are met.