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Torque wrenches

An introduction to torque wrenches: essential tools for the engineering industry



Torque wrenches are among the most crucial tools in the mechanical engineering sector. These devices are designed to apply a specific amount of torque to a nut or bolt, ensuring that components are tightened with precision. The importance of applying the correct torque cannot be underestimated, as over-tightening or under-tightening can lead to mechanical failure, compromising the safety and efficiency of operations.

How torque wrenches work: precision and reliability



Torque wrenches operate via a mechanism that measures the force applied and converts it into a torque value. This value is usually expressed in newton-metres (Nm) or pound-feet (lb-ft). There are various types of torque wrenches, including ratchet, dial and digital models, each with specific features that make them suitable for different applications. Ratchet wrenches, for example, emit a click when the desired torque is reached, whilst digital wrenches provide precise readings on a display.

Applications of torque wrenches in mechanical workshops



In mechanical workshops, torque wrenches are used in a wide range of applications, from vehicle maintenance to the construction of industrial machinery. They are essential for ensuring that components are assembled correctly, reducing the risk of failure and improving the longevity of equipment. The use of torque wrenches is particularly critical in sectors where safety is a priority, such as the automotive and aerospace industries.

Advantages of using torque wrenches



The use of torque wrenches offers numerous advantages. Firstly, they ensure precise tightening, reducing the risk of damage to components. Furthermore, they improve operational efficiency, as they allow the correct torque to be applied quickly and reliably. Torque wrenches also help ensure compliance with safety and quality standards, which are essential in many industrial sectors.

How to choose the right torque wrench for your needs



Choosing the right torque wrench depends on several factors, including the type of application, the required torque range and personal preferences. It is important to consider the tool’s accuracy, ease of use and durability. Digital torque wrenches, for example, offer greater accuracy and advanced features, but can be more expensive than traditional ratchet wrenches.

Maintenance and calibration of torque wrenches



To ensure that torque wrenches maintain their accuracy and reliability, it is essential to carry out regular maintenance and periodic calibration. Calibration should be carried out at least once a year, or more frequently if the tool is used intensively. Proper maintenance includes cleaning the tool and checking for any damage or wear and tear.

Frequently asked questions about torque wrenches



What is the difference between a ratchet torque wrench and a digital torque wrench?

Ratchet torques wrenches emit a click when the desired torque is reached, whilst digital torques wrenches provide precise readings on a display.

How do you calibrate a torque wrench?

A torque wrench should be calibrated by a professional using specialised equipment to ensure accuracy.

What are the signs that a torque wrench needs servicing?

Signs of wear and tear, difficulty in reaching the desired torque, or inaccurate readings may indicate a need for maintenance.

Can a torque wrench be used for applications other than mechanical ones?

Yes, torque wrenches can be used in any application requiring precise tightening, such as in the construction or electronics sectors.

What is the average lifespan of a torque wrench?

Lifespan depends on use and maintenance, but with proper care, a torque wrench can last for many years.

Are torque wrenches suitable for domestic use?

Yes, they can be used for domestic projects requiring precise tightening, such as assembling furniture or maintaining bicycles.

What are the most common materials used for torque wrenches?

Torque wrenches are generally made from stainless steel or high-quality alloys to ensure strength and durability.

How do you determine the correct torque to apply?

The correct torque is usually specified by the component or vehicle manufacturer and can be found in the service manual.

Can a damaged torque wrench be repaired?

In many cases, damaged torque wrenches can be repaired by professionals, but this depends on the extent of the damage.

What are the best practices for storing a torque wrench?

Torque wrenches should be stored in a dry, clean place, preferably in their original case, to protect them from damage and contamination.
Torque wrenches
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E6693
Torque wrench with hexagon socket CLICK-TORQUE A6 WERA
Product Information
Capacity2,5 ÷ 25 Nm
Coupling1/4" 
Resolution0,10 mm
As low as €304.59
In stock Few pieces Available on order
Loading availability
As low as €304.59
E6704
Square drive torque wrench Click-Torque A5 - B1 - C2 - C3 WERA
Product Information
Capacity2,5 ÷ 25 - 40 ÷ 200 Nm
Coupling1/4" - 1/2" 
Resolution0,10 - 1,00 mm
As low as €292.03
In stock Few pieces Available on order
Loading availability
As low as €292.03
E6706
Plug-in torque wrench 730 Quick STAHLWILLE
Product Information
Capacity4 ÷ 20 - 8 ÷ 40 Nm
Coupling9 x 12 mm
As low as €356.16
In stock Few pieces Available on order
Loading availability
As low as €356.16
E6707
Plug-in torque wrench 730 Quick STAHLWILLE
Product Information
Capacity6 ÷ 50 - 130 ÷ 650 Nm
Coupling9 x 12 - 14 x 18 mm
As low as €348.35
In stock Few pieces Available on order
Loading availability
As low as €348.35
E6692
Slip torque wrench with hexagon socket Safe-Torque A 2 WERA
Product Information
Capacity2 ÷ 12 Nm
Coupling1/4" 
Resolution0,10 mm
As low as €435.79
In stock Few pieces Available on order
Loading availability
As low as €435.79
E6703
Slip torque wrench with square drive Safe-Torque A 1 WERA
Product Information
Capacity2 ÷ 12 Nm
Coupling1/4" 
Resolution0,10 mm
As low as €425.01
In stock Few pieces Available on order
Loading availability
As low as €425.01
E6701
Square drive torque wrench WX6362 WODEX
Product Information
Capacity5 ÷ 25 - 20 ÷ 100 Nm
Coupling1/4" - 1/2" 
Resolution0,10 - 0,50 mm
As low as €118.00 Regular Price €183.34 - 36%
In stock Few pieces Available on order
Loading availability
As low as €118.00 Regular Price €183.34 - 36%
E6708
Square drive torque wrench 721 QUICK STAHLWILLE
Product Information
Capacity6 ÷ 50 - 60 ÷ 300 Nm
Coupling3/8" - 1/2" 
As low as €266.28 Regular Price €429.48 - 38%
In stock Few pieces Available on order
Loading availability
As low as €266.28 Regular Price €429.48 - 38%
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