Q:How to distinguish between good and bad wrenches?

A wrench is a common tool for mounting and dismounting. A manually operated tool for screwing bolts, screws, nuts, and other threads to secure the opening or sleeve of a bolt or nut. An opening or a sleeve hole of a clamping bolt or a nut is usually arranged at one end or both ends of the handle part, and the screw bolt or nut can be screwed when an external force is applied to the handle in the direction of rotation of the thread.

Q:How about 12 inches in a 12 inch adjustable wrench?

The movable wrench is a wrench for short, and the opening width can be adjusted in a certain range, and is a tool used for fastening and loosening nuts and bolts of different specifications. The inventor of the wrench was Johannsen (Johan Petter Johansson, Sweden, Sweden), who invented the movable wrench in 1892.

Q:How to distinguish movable spanner and adjustable spanner?

Different name only, layman called "active wrench", the expert is called "adjustable wrench"

Q:Screwdriver and "wrench" is the same tool?

WrenchWrenchA manually operated tool for screwing bolts, screws, nuts, and other threads to secure the opening or sleeve of a bolt or nut. The wrench is usually provided with a clamping handle at one end or both ends of the handle part, and when an external force is applied to the handle, the bolt or nut can be screwed, and the opening or the hole of the bolt or nut can be screwed. When the utility model is used, an external force is applied to the handle in the direction of rotation of the screw thread, and the bolt or nut can be screwed.Wrenches are usually made of carbon structural steel or alloy structural steel.Several types of wrenches commonly used.Wrench: a fixed size opening at one or both ends is used to twist a nut or bolt of a certain size.Ring spanner: both ends have a working end with six corners or twelve corners. It is suitable for occasions where the working space is narrow and the ordinary spanner can not be used.Dual purpose wrench: one end is the same as a single head wrench, and the other end is the same as the plum wrench. The bolts or nuts with the same specifications are screwed at the two ends.Adjustable wrench: the opening width can be adjusted in a certain size range, and screws or nuts with different specifications can be screwed.Hook wrench: also known as the crescent wrench for screwing thickness restricted flat nut etc..Socket wrench: it is composed of a plurality of sockets with six corners or twelve corners and is provided with a handle, a connecting rod, etc., and is especially suitable for screwing bolts or nuts with very small or very concave positions.Inner six angle wrench: a L shaped six angle wrench, used exclusively for screwing six angle screws.Torque wrench: it shows the applied torque when screwing a bolt or nut; or when the applied torque reaches a specified value, it emits a light or audible signal. Torque wrenches are suitable for assembly work that specifies the torque magnitude.

Q:What is the ball head at the end of the ball head L type six angle wrench?

Wrench: wrench is a common tool for mounting and dismounting. A manually operated tool for screwing bolts, screws, nuts, and other threads to secure the opening or sleeve of a bolt or nut. The wrench is usually provided with a clamping handle at one end or both ends of the handle part, and when an external force is applied to the handle, the bolt or nut can be screwed, and the opening or the hole of the bolt or nut can be screwed. When the utility model is used, an external force is applied to the handle in the direction of rotation of the screw thread, and the bolt or nut can be screwed.

Q:What do you mean by the bolt capacity of the pneumatic wrench?

16mm indicates that its maximum tightening bolt is 16mm in diameter, and the maximum is the smaller one than the smaller one

Q:When the first warranty is over, how can there be a wrench?

Develop the habit of reading instructions and contacting the service station and the after service department of the manufacturer. Sometimes their words are the last word.

Q:What's the difference between toilet press top and side wrenches?

There are no essential differences between the top press and side wrenches of the toilet water tank. It is only a habit. Only the top press type has two water options, which is relatively water saving.

Q:How much torque do you need to use the 36 screw on the torque wrench?

High strength bolts emphasize pretension, and it is necessary to know the pretension and torque coefficients in order to know the torque.

Q:What is the torque wrench? What's it for? How do you use it?

Bending type torque wrench. When the bolt is locked, when the preset torque value is reached, the wrench will bend at the front end to indicate the value of the torque reached."Self torque torque wrench", when the preset torque value is reached, the front will automatically slip, no longer force, never twist.