The length units are different. The metric system takes mm as the unit and the imperial system takes in. The conversion rate between the two is 25.4:1. 1/16 is generally taken as the basic unit in the inch system sleeve.
Basically, the inch sockets are a little larger than the metric sockets. If the metric sockets or wrenches cannot be accessed during equipment maintenance, they are considered to be inch sockets. Of course, it depends on the background of the equipment, such as the country where the equipment is manufactured, and whether the parts inside are made in foreign countries. To measure whether it is a metric system.
1. A special tool for tightening or loosening screws. The utility model is composed of several hexagonal sleeves and one or several handles of the upper sleeve. The hexagonal sleeves of the sleeve are arranged according to the model of the bolts and can be selected according to the needs. The utility model relates to a water supply pipe connection fitting, which can be used for the connection of steel pipes and cast iron pipes, etc... 2. The steel bar connection sleeve is a special product used for the mechanical connection of steel bars, which is divided into cold extrusion sleeve, taper thread sleeve and straight thread sleeve.
