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A close nipple can only be unscrewed by gripping one threaded end with a pipe wrench which will damage the threads and necessitate replacing the nipple, or by using a specialty tool known as a nipple wrench (or known as an internal pipe wrench) which grips the inside of the pipe, leaving the threads undamaged. When the ends are of two different ...
Alternatively it is a short length of pipe with two female National pipe threads (NPT) (in North American terms, a coupler is a double female while a nipple is double male) or two male or female British standard pipe threads. If the two ends of a coupling are of different standards or joining methods, the coupling is called an adapter. Examples ...
The fitting is known as a reducing coupling, reducer, or adapter if their sizes differ. There are two types of collars: "regular" and "slip". A regular coupling has a small ridge or stops internally to prevent the over-insertion of a pipe and, thus, under-insertion of the other pipe segment (which would result in an unreliable connection).
Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .
Parrot pliers are a type of slip-joint pliers. They are also known as: plumbing pliers, Channellocks (i.e., Channellock brand pliers), water pump pliers (British usage), groove-joint pliers, arc-joint pliers, Multi-Grips or multigrips (Australian usage), tap or pipe spanners, swan neck pliers. Monkey pliers.
Tube and clamp scaffold (commonly called tube and coupler scaffold or tube and fitting scaffold) is a versatile type of scaffold consisting of steel or aluminium tubes and clamps. [1] Vertical tubes are connected to horizontal tubes via right angle clamps.