What's the effect of a wrench in life?
6. socket wrench: it is composed of a plurality of sockets with six corners or twelve corners and is provided with various attachments, such as a handle, a connecting rod, etc., and is especially suitable for screwing bolts or nuts with very small positions or very deep depressions.7. inner six angle wrench: a L shaped six angle wrench, used exclusively for screwing six angle screws. The size of the inner six angle wrench is based on the six side dimensions. The size of the bolt has the national standard. Application: used for fastening or dismounting the round nuts on machine tools, vehicles and mechanical equipment.8. torque wrench: it can show the applied torque when screwing the bolt or nut; or when the applied torque reaches the specified value, it will send out light or sound signals. Torque wrench is suitable for the torque size is clearly defined.
Hook wrench: also known as the crescent wrench for screwing thickness restricted flat nut etc..
Adjustable wrench: the opening width can be adjusted in a certain size range, and screws or nuts with different specifications can be screwed. The structure characteristics of the wrench is made with fine tooth fixed jaw pliers flat concave; the movable jaw is made of flat jaw; the other end is concave with jaw serrations; pressed down the worm, the movable jaw can be quickly removed, replace the jaw position.
1. stay wrench: a fixed size opening at one or both ends is used to screw a nut or bolt of a certain size.2. plum spanner: both ends have six corners or twelve corners of the work end, suitable for working space is narrow, can not use ordinary wrench occasions.3. double purpose wrench: one end is the same as the single head wrench, and the other end is the same as the plum spanner. The bolts or nuts with the same specifications are screwed at the two ends.
