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A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend along the complete length of the rod. [1] They are designed to be used in tension. [2] Threaded rod in bar stock form is often called all-thread (ATR); other names include fully-threaded rod, redi-rod, continuously-threaded rod ...
A coupling nut A coupling nut and its orthographic view. A coupling nut, also known as extension nut, is a threaded fastener for joining two male threads, most commonly a threaded rod, [1] [2] but also pipes. [3]
Threaded steel pipe is widely used in buildings to convey natural gas or propane fuel and is also a popular choice in fire sprinkler systems due to its resistance to mechanical damage and high heat (including the threaded joints). Threaded steel pipe may still be used in high-security or exposed locations because it is more resistant to ...
A rod end bearing, also known as a heim joint (N. America) or rose joint (U.K. and elsewhere), is a mechanical articulating joint. Such joints are used on the ends of control rods, steering links , tie rods , or anywhere a precision articulating joint is required, and where a clevis end (which requires perfect 90-degree alignment between the ...
Specialized's "S-Works" top-level racing mountain bike cranksets use a Hirth joint with a center hex-head threaded rod to secure the crank halves together. [3] The crank design and technology was licensed from Lightning Cycle Dynamics, which utilized and patented a two-piece bicycle crank using the Hirth coupling in 1995. [citation needed]
It consists of a male threaded fastener (e. g., a bolt) that captures and joins other parts, secured with a matching female screw thread. There are two main types of bolted joint designs: tension joints and shear joints. The selection of the components in a threaded joint is a complex process.
A ring split at one point and bent into a helical shape. This causes the washer to exert a spring force between the fastener's head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
The working strength of a tie rod is the product of the allowable working stress and the rod's minimum cross-sectional area. If threads are cut into a cylindrical rod, that minimum area occurs at the root of the thread. Often rods are upset (made thicker at the ends) so that the tie rod does not become weaker when threads are cut into it.
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