A Turnbuckle Fastener
, stretching screw or bottle screw is a device for adjusting the tension or length of ropes, cables, tie rods, and other tensioning systems. It normally consists of two threaded eyelets, one screwed into each end of a small metal frame, one with a left-hand thread and the other with a right-hand thread.
Turnbuckle Fastener are most commonly used in applications which require a great deal of tension; they can range in mass from about ten grams for thin cable used in a garden fence, to thousands of kilograms for structural elements in buildings and suspension bridges.
Turnbuckle Fastener are widely used in aircraft. Biplanes may use turnbuckles to adjust the tension on structural wires bracing their wings. Turnbuckles are also widely used on flexible cables in flight control systems.
Turnbuckle Fastener are used for tensioning a ship's rigging and lashings.
Turnbuckle Fastener find a popular use for tensioning the ropes in professional wrestling rings and boxing rings, where they serve as the attachment between the rings ropes and ring posts. The turnbuckles in these rings are covered with padding in order to protect the competitors.
Turnbuckle Fastener are used in nearly all rigging performed in the entertainment industry, including theatre, film, and live concert performances. In entertainment rigging, turnbuckles are more commonly used to make small adjustments in line lengths.
Turnbuckle Fastener shape classification:OO type(can not be demounted , OC type ( only one side can be demounted), CC type( can be demounted), oval & jaw, oval & oval, jaw & jaw. Long Closed Body Turnbuckle
, stud ends turnbuckle, turnbuckle with plane ends
Material Classification:Carbon steel( forged/casting), stainless steel, self colored. Malleable steel
Type Classification:Turnbuckle DIN1480, DIN1479 turnbuckle, JIS turnbuckle, DIN1478 turnbuckle, Hamburger Turnbuckle
, Italian malleable turnbuckle, commercial zinc alloy turnbuckle