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British Standard Pipe (BSP) is a set of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external thread with an internal (female) thread.
The Whitworth thread was the world's first national screw thread standard, [1] devised and specified by Joseph Whitworth in 1841. Until then, the only standardization was what little had been done by individual people and companies, with some companies' in-house standards spreading a bit within their industries.
1. National Special, a screw thread series; see Unified Thread Standard. An extensible series, covering various special threads. 2. Near side: The drawing notations "near side" and "far side" tell the reader which side of the part a feature is on, in occasional contexts where that fact is not communicated using the rules of projection alone ...
Unified Miniature Screw Threads: V Thread Form: 0.60 UNM ANSI/ASME B1.11-1958 (R2016) Microscope Objective Thread: V Thread Form ASME B1.13M-2005 (R2015) Metric Screw Threads: M Profile: V Thread Form ASME B1.15-1995 (R2003) Unified Inch Screw Threads (UNJ Thread Form) V Thread Form ASME B1.20.1-2013: Pipe Threads, General Purpose (Inch) Pipe ...
Whitworth pipe threads 1/4"-6" Thread diameter, sizes, ... Engineering drawing practice; dimensioning; tolerancing of linear and angular dimensions (modified version ...
The standard designation for a UTS thread is a number indicating the nominal (major) diameter of the thread, followed by the pitch measured in threads per inch.For diameters smaller than 1 / 4 inch, the diameter is indicated by an integer number defined in the standard; for all other diameters, the inch figure is given.
NPT is defined by ANSI/ASME standard B1.20.1. [4] The taper rate for all NPT threads is 1 inch of diameter in 16 ... NPT Pipe Thread Dimensions; ASME B1.20.-1983 Pipe ...
No thread 1 1/4" x 5 ACME LH (G.30) EN 15202 No thread LH ... DIN 477-1 No. 4 DIN 477-1 No. 4 BSP: 16.7 mm 1.337 mm 3/8" 19 TPI Dish Autogas Dish No thread