1857211-2

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Jackscrews, also known as thumbscrews, are metal to metal threaded fasteners that are commonly used in most fields requiring high strength connections. Jackscrews are available in a variety of sizes, threads and materials. The 1857211-2 jackscrew is a two-piece design, consisting of a captive screw and a thread jack. It is typically used in conjunction with D-Sub, D-shaped connectors and other related accessories.

Application Field

The 1857211-2 jackscrew from Brock Industrial is used for a variety of applications including: medical equipment, aerospace, automotive, appliances, industrial machinery, and even consumer electronic devices. It is most commonly used to secure the mating halves in D-Sub, D-shaped connectors, as well as provide strain relief for the electrical and data wires extending from the connector.

Working Principle

The working principle of the 1857211-2 jackscrew is simple; a threaded jack is fastened to one side of the two joined halves, while the captive screw is threaded through the second half. As the captive screw is turned, the threaded jack is pulled towards it which in turn draws the two connected halves together, creating a secure mechanical connection. The jackscrew can also act as an alignment aid during the assembly process as the two halves of the connector can be aligned together while being tightened to ensure a watertight fit.

Conclusion

The 1857211-2 jackscrew is a two-piece design, consisting of a captive screw and a thread jack. It is typically used in conjunction with D-Sub, D-shaped connectors and other related accessories. The working principle of the 1857211-2 jackscrew is simple; a threaded jack is fastened to one side of the two joined halves, while the captive screw is threaded through the second half. It is most commonly used to secure the mating halves in D-Sub, D-shaped connectors, as well as provide strain relief for the electrical and data wires extending from the connector.

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