A coaxial terminal block performs three main functions when it is connected with a coaxial cable. First of all, it helps in establishing a connection between the cable and the device in question. The second task performed by the terminal block is to cover and shield the exposed part of the cable to prevent hazards relating to electrical shocks. The third task performed by a coaxial terminal block is to act as a protective component and prevent interferences and damage to the connection.

These terminal blocks feature a long sleeve that slides over to cover a small part of the cable to provide extra protection and also to establish a secure connection. The best F terminal block is one that is made using a metal. In order to create a strong connection, these terminal blocks are usually plated using nickel, gold, or tin. Typically, a terminal block that is used with televisions, radio units, microphones and speakers are round with a hollow space where you can insert the cable.

Crimping is an important aspect of securing a connection using a coaxial terminal block. This technique needs some practice before you can master it. You can order these parts from a firm that is known for manufacturing screw machine products. It is important that these terminal blocks are made to meet tight tolerances and are devoid of physical deformities such as cracks and dents. The presence of such defects would prevent you from securing a desirable connection with your television, antenna or audio systems. It is always advisable to purchase these terminal blocks in bulk, because this will help you to benefit from economical prices.

Another commonly used terminal block is the N terminal block. It is used mainly with antennas, broadcast systems, cable assemblies, radars and in other similar applications. Some of the desirable traits of an N terminal block are a solid machined brass body that has been plated with silver, and a gold plated silver pin for a superior connection. 

Thus, it is clear that an F terminal block is among the most widely used coaxial terminal block. However, not all such components are made to last, unless of course, you purchase them from a reputable manufacturer.