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Captive fastener information


E-Ring makes the fastener captive on this battery compartment screw
captive screw on a Selfie stick
E-Ring on the bold of a camera belt

A captive fasteners is an engineered fastener designed for a permanent hold within a target assembly or housing, including upon servicing. They provide a secure joining, and avoid fastener loss or damage that might be caused by a loose part.

A captive fastener is sometimes made with thread locking, press-fitting, or broaching to accomplish an anchor-hold within a larger assembly housing. However, a captive fastener may also be melded with the material into which it is joined, either through cold forming or welding.[1][2]

Captive screws are a type of machine screw which are frequently used for safety reasons, often with a captive washer. They are now required by EU law on equipment such as safety guards so that machinery complies with EU Machine Safety Directive 2006/42/EC.

  1. ^ Machinery's Handbook. industrialpress.com.
  2. ^ "Industrial Fasteners Institute (IFI)". indfast.org.

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Captive fastener

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A threaded insert, also known as a threaded bushing, is a fastener element that is inserted into an object to add a threaded hole. They may be used to...

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assembled using nuts and bolts, but in production such fasteners might be replaced by captive nuts or threaded holes built into the parts, making assembly...

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holds the stack together. It attaches to the flange by a pair of Captive Fasteners (10). If the Powered Bolt jams in the Encapsulated Nut, disassembly...

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Australasia, and Africa). The terms rail anchors, tie plates, chairs and track fasteners are used to refer to parts or all of a rail fastening system. The components...

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"belt slides" or "belt trims." Although technically not buckles, other fasteners such as plastic "side-clasp" or even seat belt latches are also often...

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Powerpole Cigarette lighter receptacle DC connector Gender of connectors and fasteners "Connectors for frequencies below 3 MHz. Part 10: Connectors for coupling...

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Hose clamp

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thread pattern has been cut or pressed. One end of the band contains a captive screw. The clamp is put around the hose or tube to be connected, with the...

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Battle of the Little Bighorn

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Cotton

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significant supplier of raw goods to British manufacturers and a large captive market for British manufactured goods. Britain eventually surpassed India...

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Eye bolt

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the ring itself to expand the anchor. A ring bolt is an eye bolt with a captive ring passing through it. The loose ring is articulated, such that it can...

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Victorio

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Whittington's 1963 novel Desert Stake-Out. Vittorio takes several people captive after learning that one of them murdered his brother, but later releases...

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Sacagawea

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captive by a group of Hidatsa in a raid that resulted in the deaths of several Shoshone: four men, four women, and several boys. She was held captive...

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George Armstrong Custer

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children by him. Mo-nah-se-tah was among 53 Cheyenne women and children taken captive by the 7th Cavalry after the Battle of Washita River in 1868, in which...

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Geronimo

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from the original on October 31, 2017. Retrieved November 4, 2017. Held captive far longer than his surrender agreement called for, the Apache warrior...

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Amish way of life

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any other feature. Hook-and-eye closures or straight pins are used as fasteners on dress clothing rather than buttons, zippers, or velcro. Snaps are used...

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Knurled nut

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(insertion nut). Knurled nuts are commonly used in any application where the fasteners will be removed regularly but not needed for structural support. They...

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them with notches, or by flicking a credit card against a comb or zip-fastener. The male also has a growling call, given with the bill shut and used during...

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T+123 seconds and an altitude of 46,000 meters (150,000 ft), pyrotechnic fasteners released the SRBs, which reached an apogee of 67,000 meters (220,000 ft)...

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