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D-Sub, D-Shaped Connectors - Accessories - Jackscrews

Jackscrews, also known as thumbscrews, are small bolts with a flat head. They are mounted in specialized threaded holes in a variety of metal and plastic parts, and are frequently used to join two pieces of material together. Originally designed for use in electronics and communications applications, jackscrews are popular for providing a secure mechanical connection in a variety of industrial and commercial applications.

One of the most common usages for jackscrews is in the creation of D-Sub connectors. Such connectors are used to facilitate electrical connections between two components, such as between a computer and a monitor or peripheral device. D-Sub connectors consist of two pieces that mate together; the jackscrews hold the two pieces together in place.

When used as part of a D-Sub connector, a jackscrew generally consists of four parts: the screw body, the head, the washer and the nut. The screw body is the threaded part of the jackscrew and is used to attach the connector body to the mating part. The head is the portion that engages the hole in the mating connector housing, and the washer ensures that the head is held securely against the housing. The nut is then used to compress the washer and establish a secure mechanical connection between the two parts.

Jackscrews are usually made of steel, stainless steel or brass and may be coated with zinc or other corrosion resistant materials for improved durability. They are designed to provide a secure mechanical connection in application environments ranging from −40°C to +105°C. The jackscrews used in D-Sub connectors are typically covered in insulation, such as polyamide or nylon, to ensure that they remain electrically insulated and prevent short circuits.

Many D-Sub connectors are designed with pre-installed jackscew terminals, making them quite easy to install. There is a wide variety of jackscrews available for use with D-Sub connectors, depending on the desired application. Such options may include rigid jackscews for use in molded products, extended screw-in terminals for improved grip, or solder-in terminals for enhanced electrical insulation.

Jackscrews represent an important component of the D-Sub connector. By providing a secure mechanical connection and preventing short circuits, they ensure that the D-Sub connector functions as intended. Thanks to their improved durability and wide variety of options, jackscrews are a dependable and popular choice for use with D-Sub connectors.

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