What is the difference between the pin and punch in a D-SUB connector?

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A d-sub connector is equipped with at least two rows of plugs or sockets arranged in parallel. It is named so because the connector’s housing resembles the letter ‘D’. D-sub connector and punch pin D-sub connector applications: For example, D-sub connectors are used to establish a connection between monitors and PCs. Another common use for D-sub connectors is as video connectors. Other uses for this connector include printer cables, computer game controllers, network ports, and multi-channel audio recording systems. A lot has been discussed earlier regarding d-sub connectors. As a common video connector, a d-sub connector generally has pin and socket types. What is the difference between the pins and sockets of a D-SUB connector? The difference between solid and hollow types: The contacts of D-SUB pin connectors are solid copper pins, which offer good conductivity, low resistance, and a longer service life; however, their cost is relatively higher. The contacts of punch connectors are also solid, but they are cheaper in price. Additionally, the pin-type D-sub connectors are generally used in the industrial and military sectors, where high-quality standards are required, whereas the plug-type D-sub connectors are typically used for connecting regular computers and other video screens.