Knowledge

Three advantages of loosening nut: First, superior vibration resistance: when the thread is tightened, the top thread of the bolt tightly enters the 3

The treatment order for nylon pine nut galvanizing depends on the specific application requirements and process requirements. If the anti-corrosion pe

The principle of the expansion bolt is to hit the expansion bolt to the hole on the ground or the wall, with the wrench to tighten the nut on the expa

Why not the aircraft directly welded, but to choose this seemingly troublesome rivet process? To reduce weight, the skins are usually very thin. And s

The friction coefficient of the fastener refers to the ratio of the friction force between the two contact surfaces and the pressure perpendicular to

Galvanized screw is actually a kind of surface treatment, there are white zinc, black zinc, blue and white zinc, color zinc, these several are relativ

Tip rivet mainly have half round head rivet, flat round head rivet, flat cone head rivet and flat head rivet, mainly used for no pneumatic requirement

The model and size of the hexagon screw involve many aspects, including its basic definition, material classification, standard and specific size. The

Core rivets rivet is a kind of single side riveting for flying rivets, but must use a special tool- pull riveting gun (manual, electric, automatic) fo

1. Phosphorization: Phosphorization is an important part of the fasteners. After the pre-treatment process such as oil removal, rust removal, surface

Melting welding: When welding by this method, the welding joint needs to be heated to a melted state without applying pressure. There are many welding

The material of core rivets rivet does not represent the quality of the product, but has its own advantages, applied in different fields, common mater