How to choose the right type of wrench

　　How to choose the right type of wrench

　　1. The uses and signs of different types of wrenches

A wrench is a tool used to tighten screws and nuts. Wrenches are also divided into many different models according to the shape and size of different types of screws and nuts. Common wrench types include the following:

1. Cross-shaped wrench: suitable for tightening hexagonal internal nuts and bolts, usually marked with “X”.

2. Hexagonal wrench: suitable for tightening hexagonal hexagonal screws and nuts, usually marked with “hex” or “hexagonal symbol”.

3. Eight-shaped wrench: suitable for tightening four- and eight-point screws and nuts, usually marked with “+”.

4. Hacker wrench: suitable for tightening four- and six-sided hexagonal screws and nuts, usually marked “H”.

　　2. How to choose a wrench

It is very important to choose the correct type of wrench. Wrong choices are not only time-consuming but also dangerous. When purchasing a wrench, you need to pay attention to the following points:

1. Choose a brand: Choose a well-known brand and check the product’s certificates and logos. Do not choose products that are not of good quality, otherwise they will be unsafe when used.

2. Accurate specifications: Understand your needs and choose the correct specifications and models to ensure that the work can be completed easily.

　　3. How to use a wrench

Proper use of wrenches can help you complete your work more efficiently and ensure safety. Here are common tips for using a wrench correctly:

1. Use the correct posture: hold the wrench with one hand and tighten the screw or nut with the other hand.

2. Keep it stable: When using a wrench, you need to keep the bottom of the wrench stable, otherwise it may cause the wrench to slip, damage parts or even sprain your own wrist.

3. Adjustment direction: For screws and nuts with different twisting directions, the direction of the wrench needs to be adjusted to avoid damage or damage to parts or tools.

Generally speaking, choosing the appropriate type of wrench according to the needs of use is the key. Correctly purchasing and using different types of wrenches can help you get twice the result with half the effort during maintenance and repairs, making your work efficient and safe.