Home > Trapezoidal Threads and Nuts Available from T.E.A Transmissions

Trapezoidal Threads and Nuts Available from T.E.A Transmissions

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Trapezoidal threads from T.E.A Transmissions are a common screw thread profile offering high strength with ease of machining and assembly. Typically these threads are found where large loads or accuracy is required as in vices where the thread is used to supply compressional holding force or the lead screw of a lathe where the thread is used to convert rotational motion into linear motion.

Trapezoidal thread and nuts are power transmission screw threads similar to the Acme series but made to metric dimensions and standards instead of inch. The important difference between Acme and Trapezoidal thread is the flank angle. Acme threads have flank angles of 29° whereas Trapezoidal threads have 30°. All trapezoidal threads have lead angles of 5° or less making them self locking, which prevents the screw from back-driving under most conditions, eliminating the need for brakes or other holding devices.

T.E.A Transmissions’ standard range of threads are cold formed using a unique, highly accurate thread rolling process, which guarantees a smooth, high quality thread. The range of applications for the trapezoidal thread spindles is expanded as it is possible to choose from threads produced from steel or stainless steel, and nuts produced from bronze, steel or stainless steel. Steel nuts are not intended for motor driven motion screws and bronze nuts provide the superior service at higher working loads. T.E.A Transmissions’ stock range includes both right and left forms with sizes available in lengths up to 3000mm.

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