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This section provides an overview for captive screws as well as their applications and principles. Also, please take a look at the list of 6 captive screw manufacturers and their company rankings. Here are the top-ranked captive screw companies as of December, 2024: 1.Keystone Electronics Corp., 2.Reid Supply.
Table of Contents
Captive screws are screws designed not to detach from a component even when unscrewed.
They are engineered to prevent the loss or confusion of parts that may occur when screws are removed, and are commonly used in electronic equipment cases, panels, aircraft interior panels, industrial machinery covers, and similar applications.
Captive screws feature a spring-loaded ball or plunger mechanism in the screw head, which applies a force to compress or extend, ensuring that the screw remains attached to the component even when loosened, preventing them from becoming detached.
*Including some distributors, etc.
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NBK America LLC, founded in 2015 and based in King of Prussia, Pennsylvania, is an American manufacturer and a subsidiary of Japan's Nabeya Bi-tech Kaisha, specializing in mechanical components. Their product range includes couplings, like miniature shaft couplings for precision machine tools and semiconductor manufacturing equipment, special screws, such as vacuum application screws and other machine components. NBK offers finite automaton (FA) solutions, including wireless positioning units for production lines and setup operations. NBK provides machine component servicing, such as vibration resistance treatment and laser engraving. Services for couplings and special screws include coupling stainless steel screw alteration and screw length adjustment.
Craftech Industries, Inc., established in 1967 and headquartered in Hudson, USA, is a manufacturer of plastic parts. The company’s products include injection molding, CNC machining, and custom solutions, providing low to high-volume production runs. It offers conflict mineral reporting crucial for transparency in sourcing tantalum, tin, or tungsten. The aerospace industry benefits from its corrosion-resistant materials like peek and TPU, while the chemical processing industry relies on its expertise in selecting suitable plastics for harsh conditions. It offers insulating materials like elastomers and fluoropolymers for electronics and semiconductors, which are vital for preventing electrical current leakage and resisting corrosive environments.
Keystone Electronics Corp. has a 70 year history and is headquartered in New Hyde Park, New York. Keystone is a global manufacturer of precision electronic components and hardware. Keystone is ISO 9001:2015 certified. Keystone offers several types of products including battery & coin cell holders, contacts, && clips, fuse clips & fuse holders, handles for instrumentation, metal key-pad dome switches, multi-purpose hardware, PC board hardware, plugs, pins, jacks, sockets, quick-fit terminals, screw terminals, terminal blocks, screws, spacers, standoffs, terminals, terminal boards, test points, tips, probes, jumpers, and clips. Keystone also offers custom manufacturing capabilities including stamping, machining, assembly, tool room, and quality assurance.
Essentra Components is a producer of plastic injection moulded, vinyl dip moulded, and metal components, operating in 29 countries across 4 continents. Essentra Component has a catalog of over 45,000 products. These range from caps, plugs, wire & cable management, flange protection, knobs, handles & grips, access hardware, PCB, and electronics hardware. Essentra Component offers free samples of CADs of standard parts for assist customers in creating custom-manufacture red solutions, including prototyping and 3D printing.
bisco industries was founded in Chicago, Illinois in 1973 and now is headquartered in Anaheim, California. bisco industries is a distributor of electronic components and fasteners used for production in aerospace, communication, computer, fabrication, industrial equipment, instrumentation, marine, and military industries. Some of bisco’s product offerings include fasteners such as nuts and washers, hardware such as casters and bearings, door and access hardware including handles and hinges, electronic connectors including circular connectors and terminal blocks, enclosures such as cabinets and rack components, and wires and cables including wire and cable management including sleeving and tubing.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Keystone Electronics Corp. |
66.7%
|
| 2 | Reid Supply |
33.3%
|
Derivation Method
The ranking is calculated based on the click share within the captive screw page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
2 | 66.7% |
|
United Kingdom
|
1 | 33.3% |
