A nut with a built in washer like flange. Tee. A nut designed to be driven into wood to create a threaded hole. Square. A four sided nut. Prevailing torque lock. A non-reversible lock nut used for high temperature applications. K-Lock or Kep. A nut with an attached free-spinning external tooth lockwasher.
adjective. The definition of metropolitan is a city or something related to a city. A city and the immediate locations surrounding it is an example of a metropolitan area.
A Metro Ethernet is a computer network based on Ethernet standards covering a metropolitan area. It is commonly used as a metropolitan access network (MAN) to connect subscribers and businesses to a WAN, such as the Internet. Large businesses can also use Metro Ethernet to connect branch offices to their intranets.