British standard brass thread
Encyclopedia
British standard brass thread is an imperial unit
based screw thread
. It adopts the Whitworth thread form with a pitch of 26 threads per inch for all diameters. It is often wrongly called British Standard Brass but is not actually covered by a British Standard.
Nominal size
s are usually in the range to 2 inches.
Imperial unit
The system of imperial units or the imperial system is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced. The system came into official use across the British Empire...
based screw thread
Screw thread
A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force. A screw thread is a ridge wrapped around a cylinder or cone in the form of a helix, with the former being called a straight thread and the latter called a tapered thread...
. It adopts the Whitworth thread form with a pitch of 26 threads per inch for all diameters. It is often wrongly called British Standard Brass but is not actually covered by a British Standard.
Nominal size
Nominal size
In manufacturing, a nominal size or trade size is a size "in name only" used for identification. The nominal size may not match any dimension of the product, but within the domain of that product the nominal size may correspond to a large number of highly standardized dimensions and tolerances.For...
s are usually in the range to 2 inches.
See also
- British standard pipe threadBritish standard pipe threadThe British Standard Pipe thread is a family of standard screw thread types that has been adopted internationally for interconnecting and sealing pipe ends by mating an external with an internal thread.-Types:...
(BSP) - National pipe threadNational pipe threadNational Pipe Thread Tapered Thread is a U.S. standard for tapered threads used on threaded pipes and fittings. The taper rate for all NPT threads is measured by the change of diameter over distance. The angle between the taper and the center axis of the pipe is 1° 47′ 24″...
(NPT) - Unified Thread StandardUnified Thread StandardThe Unified Thread Standard defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada...
(UTS, including UNC, UNF and UNEF)