Bolts and nuts are a pair of good partners, and they can be tightened when screwed together. It plays a very important role in the construction of aluminum profile frame, which can not only complete the connection between profiles and profiles, but also complete the connection between profiles and accessories. So what kind of connection methods are there for bolts and nuts? Now let's learn this together.
1. Hidden connection.
Hidden connection is mainly used inside the profile, which plays the role of concealment and beauty. The dome head bolts and socket head cap bolts are mainly used. Before connecting, it is necessary to punch and tap the predetermined position of the profile, and then directly tighten it with bolts.
2. Embedded connection.
The embedded connection is mainly to put the bolt and nut into the profile groove, and then carry out the connection and tightening work. Commonly used bolts and nuts for embedded connections are: T-bolts, T-nuts, slider nuts, elastic nuts, and shrapnel nuts. It can be automatically positioned and locked in the installation project, and the installation process is simple and convenient.
3. External connection.
In addition to the hidden connection and embedded connection mentioned above, there are also bolts and nuts installed outside the profiles or accessories, that is, the appearance of the bolts and nuts can be clearly seen from the appearance. The commonly used bolts and nuts include flange nuts. Square Nuts, Flat Machine Bolts, Cylinder Head Bolts, etc. In the process of connection, the tightening effect can be realized from the outside by using a wrench, which is simple and convenient, but the appearance is not beautiful.
