In our daily life, wrench is a commonly used installation and disassembly tool. There are two kinds of spanners, dead spanner and live spanner. Common ones include torque wrench, monkey wrench, box wrench, combination wrench, hook wrench, Allen wrench, solid wrench, etc.
1. 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.
Application: widely used in automobiles, motorcycles, railways, bridges, pressure vessels, etc Industries that have strict requirements on thread tightening torque.
2. monkey wrench:
The opening width can be adjusted within a certain size range, and bolts or nuts of different specifications can be screwed.
Usage: used to rotate hexagon or stud bolts, screws and nuts.
3. ring wrench:
Both ends have working ends with hexagonal holes or twelve corner holes, which is suitable for occasions where the working space is narrow and ordinary wrenches cannot be used.
4. combination wrench:
One end is the same as the single end solid wrench, and the other end is the same as the box wrench. Screw bolts or nuts of the same specification at both ends.
Application: suitable for petroleum, chemical industry, metallurgy, power generation, oil refining, shipbuilding, petrochemical and other industries. It is a necessary tool for equipment installation, maintenance and repair of devices and equipment.
5. solid wrench:
One or both ends are provided with openings of fixed size to screw nuts or bolts of a certain size.
6. socket wrench:
The utility model is composed of a plurality of sleeves with hexagonal holes or twelve corner holes and equipped with handles, extension rods and other accessories, and is especially suitable for screwing bolts or nuts with very narrow positions or deep depressions.
7. hook wrench:
Hook spanner, also known as crescent spanner, commonly known as hook spanner, is used to screw flat nuts with limited thickness; It is specially used for disassembling round nuts on vehicles and mechanical equipment. The groove is divided into rectangular groove and circular groove.
8. Allen wrench:
An L-shaped hexagonal bar wrench, which is specially used to turn the socket head cap screws. The model of hexagon wrench is based on the opposite side dimension of hexagon, and the size of bolts has national standards.
Usage: specially used for fastening or disassembling round nuts on machine tools, vehicles and mechanical equipment.
Post time: Jun-10-2022