1. Ordinary open type rivets mainly have two head types, open type flat round head pull rivets and open type countersunk head pull rivets. The main materials include aluminum, iron, stainless steel, copper, etc. 2. The surface of this kind of rivet is closed and waterproof after riveting, also called waterproof rivet. The main materials include aluminum, iron, stainless steel, copper, etc. The products include closed flat round head blind rivets and closed countersunk head pull rivets. 3. Structural pull rivets. The biggest difference between this blind rivet and the ordinary blind rivet is that the strength is different. The typical feature is that the mandrel is locked in the rivet body after riveting and does not loosen, or the drum riveting reduces the pressure on the surface of the workpiece. After the rivet is riveted, the mandrel is actually loose, and the biggest feature of the structural blind rivet is the mandrel retention. The above three are our three different categories of rivets. When we look carefully, we will find that there are subcategories in these categories, that is, different categories will have different effects. This means that everything has its own value! 5. Product specifications: open type, closed rivet, wire drawing rivet, external lock type, single drum type, multi-drum type, waterproof lantern blind rivet, seahorse nail, rivet gun (pneumatic rivet gun, electric rivet gun, manual rivet gun) and associated fasteners. 6. Product head shape: oblate head, countersunk head, big brim. 7. Pull rivet product size: 2.4mm, 3.2mm, 4.0mm, 4.8mm, 5.0mm, 6.4mm and so on. steady-ind.com