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

A jackscrew, or thumbscrew, is an accessory used with D-subminiature connectors to provide electrical and mechanical coupling. It helps to keep the mating halves of the connection firmly in place so that any electrical signals cannot escape and electrical contact is maintained. Jackscrews are also used to mount electrical connectors onto a piece of equipment, and to mount equipment onto the wall or floor.

The design of the Jackscrew makes it possible to hold two halves of a D-subminiature connector firmly together while also having a reliable electrical connection. The design also allows for easy installation and removal of the connector when necessary. This makes the Jackscrew a versatile accessory when it comes to D-subminiature connectors.

The Jackscrew is usually made of a stainless steel material and contains a threaded and unthreaded portion. The threaded portion is the portion that mates to the D-subminiature connector and is identified by a small shoulder on the shank. The unthreaded portion, which is usually referred to as a shoulder, helps to secure the screws in place and also helps to keep dust and other debris from entering the connector when in use. When the Jackscrew is in place, the mating halves of the connection are held firmly together.

The Jackscrew is available in a variety of sizes and styles. The most common sizes for Jackscrews are 2-56, 4-40, and 6-32, though some manufacturers may offer additional sizes. It is important to select the correct size to ensure optimal performance and reliability. Jackscrews are designed for use with D-subminiature connectors and are not typically used with any other type of connector.

The Jackscrew offers several advantages for use with D-subminiature connectors. They provide an easy method of installing and removing the connectors, are highly reliable, and are designed for secure mounting onto a surface. Furthermore, they are available in a variety of sizes and styles to suit the specific needs of any application. As such, Jackscrews are an invaluable accessory for anyone looking to reliably and securely connect two pieces of equipment or two halves of the same connection.

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