Register and use the discount code NEWWELCOME to get 10% off on your first purchase. GET DISCOUNT.
Register and use the discount code NEWWELCOME to get 10% off on your first purchase. GET DISCOUNT.
Register and use the discount code NEWWELCOME to get 10% off on your first purchase. GET DISCOUNT.

Free shipping in 24h from 200€

Catalogues

Customer service
cart-filledcart-empty cart-filledcart-empty
< Hand tools

Torque wrenches

Professional torque spanners: an in-depth analysis for machine shops

In the world of machine shops, precision is a crucial element that cannot be overlooked. Among the tools that guarantee such precision, professional torque spanners occupy a prominent place. These tools are essential for ensuring that bolts and screws are tightened with the right amount of torque, thus preventing damage to components and ensuring safe operations.

What are professional torque spanners?

Torque spanners are measuring tools used to apply a specific amount of torque to a nut or bolt. Their main function is to ensure that threaded connections are tightened correctly, avoiding both over- and under-tightening. Professional torque spanners are designed to offer superior accuracy, making them ideal for critical applications where safety and reliability are paramount.

What are torque spanners used for?

Torque spanners are used in a wide range of industrial and mechanical applications. They are particularly important in the automotive, aerospace and manufacturing sectors, where the correct tightening of components is essential for the safe and reliable operation of machines. For example, in the automotive sector, torque spanners are used to tighten wheel bolts, engine components and other critical vehicle parts.

How are torque spanners used?

The correct use of a torque spanner is crucial to achieving the desired results. First of all, it is important to select the appropriate torque spanner for the specific application, taking into account the required torque range. Once the spanner has been selected, the desired torque value must be set using the graduated scale on the tool. During the tightening operation, it is essential to apply constant, even pressure until the spanner emits an audible or tactile signal indicating that the set torque value has been reached.

Advantages of professional torque spanners

The use of professional torque spanners offers numerous advantages. Firstly, they guarantee precise and uniform tightening, reducing the risk of damage to components and improving the overall safety of operations. In addition, the use of professional torque spanners can help extend the life of components, reducing the need for maintenance and costly repairs. Finally, the adoption of these tools can improve operational efficiency, allowing operators to complete tightening operations quickly and accurately.

Frequently asked questions about torque spanners

1. What is the difference between a latch torque spanner and a digital torque spanner?
Snap-on torque spanners emit an audible or tactile signal when the set torque value is reached, whereas digital torque spanners display the torque value on an electronic display and can offer additional features such as data storage.

2. How do you calibrate a torque spanner?
Calibrating a torque spanner is a process that must be performed regularly to ensure the accuracy of the tool. This process can be carried out using a torque spanner test bench, which allows the torque value emitted by the spanner to be checked and adjusted.

3. How often should I calibrate my torque spanner?
The frequency of calibration depends on use and the manufacturer's specifications, but in general, it is recommended to calibrate torque spanners at least once a year or after intensive use.

4. Can I use a torque spanner to unscrew bolts?
Although it is possible to use a torque spanner to unscrew bolts, it is important to remember that these spanners are primarily designed for tightening. Frequent use to unscrew bolts may affect the accuracy and lifetime of the tool.

5. What are the signs that a torque spanner needs maintenance?
Signs such as difficulty in reaching the set torque value, lack of an audible or tactile signal during tightening, or inconsistent readings may indicate that the torque spanner needs maintenance or calibration.

In conclusion, professional torque spanners are indispensable tools for machine shops that require precision and reliability in tightening operations. Their ability to ensure correct and uniform tightening not only improves safety and operational efficiency, but also helps to prolong component life and reduce maintenance costs. Investing in high-quality torque spanners and keeping them calibrated and in good condition is essential for any self-respecting machine shop.
spanners'
Spanners
tubular wrenches'
Tubular wrenches
hexagon keys'
Hexagon keys
screwdrivers'
Screwdrivers
torx wrench'
Torx wrench
torque screwdriver'
Torque screwdriver
inserts and bits for screw drivers'
Inserts and bits for screw drivers
torque wrenches'
Torque wrenches
workshop pliers'
Workshop pliers
wire strippers'
Wire strippers
cutting nippers'
Cutting nippers
nippers'
Nippers
professional shears'
Professional shears
professional scissors'
Professional scissors
american or swedish pipe wrench'
American or Swedish pipe wrench
pipe cutter for plumber'
Pipe cutter for plumber
cutter'
Cutter
deburring tools'
Deburring tools
chisels'
Chisels
hammers and mallets'
Hammers and mallets
mechanical and conical pullers'
Mechanical and conical pullers
clamps'
Clamps
tool trolleys'
Tool trolleys
tap wrenches and die stocks'
Tap wrenches and die stocks
riveters'
Riveters
professional protractors'
Professional protractors
professional dividers'
Professional dividers
flat squares and rulers'
Flat squares and rulers
flexometers'
Flexometers
markers'
Markers
lubricators and spray nozzles'
Lubricators and spray nozzles
pipe tools'
Pipe tools
socket wrenches'
Socket wrenches
combination wrenches'
Combination wrenches
hook wrenches'
Hook wrenches
adjustable wrench'
Adjustable wrench
brushes'
Brushes
hacksaws'
Hacksaws
tape measures'
Tape measures
cable strippers'
Cable strippers
reversible ratchets'
Reversible ratchets
t-wrenches'
T-wrenches
Filters

39 Items

Set Ascending Direction
View as List Grid

39 Items

Square drive torque wrench 721 QUICK STAHLWILLE
Promo
E6708
Square drive torque wrench 721 QUICK STAHLWILLE
Product Information
Capacity6 ÷ 50 - 60 ÷ 300 Nm
Coupling3/8" - 1/2" 
As low as €262.00 Regular Price €416.97 - 37%
STAHLWILLE – Hand Tools and Precision Fastening Systems
In stock Few pieces Available on order
Loading availability
As low as €262.00 Regular Price €416.97 - 37%
STAHLWILLE – Hand Tools and Precision Fastening Systems
Torque wrench with handle TorqueVario®-ST WIHA
E6462
Torque wrench with handle TorqueVario®-ST WIHA
Product Information
Pieces11
As low as €388.15
WIHA – Professional Hand Tools and Solutions for Electricians
In stock Few pieces Available on order
Loading availability
As low as €388.15
WIHA – Professional Hand Tools and Solutions for Electricians
Torque wrench with hexagon socket CLICK-TORQUE A6 WERA
E6693
Torque wrench with hexagon socket CLICK-TORQUE A6 WERA
Product Information
Capacity2,5 ÷ 25 Nm
Coupling1/4" 
Resolution0,10 mm
As low as €295.72
WERA – Professional Hand Tools of German Quality
In stock Few pieces Available on order
Loading availability
As low as €295.72
WERA – Professional Hand Tools of German Quality
Square drive torque wrench Click-Torque A5 - B1 - C2 - C3 WERA
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 €283.52
WERA – Professional Hand Tools of German Quality
In stock Few pieces Available on order
Loading availability
As low as €283.52
WERA – Professional Hand Tools of German Quality
Plug-in torque wrench 730 Quick STAHLWILLE
E6706
Plug-in torque wrench 730 Quick STAHLWILLE
Product Information
Capacity4 ÷ 20 - 8 ÷ 40 Nm
Coupling9 x 12 mm
As low as €339.85
STAHLWILLE – Hand Tools and Precision Fastening Systems
In stock Few pieces Available on order
Loading availability
As low as €339.85
STAHLWILLE – Hand Tools and Precision Fastening Systems
Plug-in torque wrench 730 Quick STAHLWILLE
Promo
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 €213.00 Regular Price €338.20 - 37%
STAHLWILLE – Hand Tools and Precision Fastening Systems
In stock Few pieces Available on order
Loading availability
As low as €213.00 Regular Price €338.20 - 37%
STAHLWILLE – Hand Tools and Precision Fastening Systems
Slip torque wrench with hexagon socket Safe-Torque A 2 WERA
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 €423.10
WERA – Professional Hand Tools of German Quality
In stock Few pieces Available on order
Loading availability
As low as €423.10
WERA – Professional Hand Tools of German Quality
Slip torque wrench with square drive Safe-Torque A 1 WERA
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 €412.63
WERA – Professional Hand Tools of German Quality
In stock Few pieces Available on order
Loading availability
As low as €412.63
WERA – Professional Hand Tools of German Quality
Page
per page
Filters
Price
Brand Name
  1. WODEX 7items
  2. STAHLWILLE 18items
  3. Wiha 1item
  4. MILWAUKEE 1item
  5. WERA 4items
  6. GEDORE 8items
Coupling
  1. 1"  3items
  2. 1/2"  9items
  3. 1.1/2"  1item
  4. 1/4"  2items
  5. 1/4"  10items
  6. 3/4"  5items
  7. 3/8"  7items
  8. Ø 22 mm  2items
  9. Ø 28 mm  2items
  10. -  2items
Capacity
  1. 0,8 - 4 Nm 1item
  2. 1 - 5 Nm 1item
  3. 1 ÷ 5 Nm 1item
  4. 1,6 - 8 Nm 1item
  5. 1 - 10 Nm 1item
  6. 1 ÷ 10 Nm 1item
  7. 2 - 10 Nm 1item
  8. 2 ÷ 10 Nm 1item
  9. 2 ÷ 12 Nm 2items
  10. 2,4 - 12 Nm 1item
  11. 1 ÷ 20 Nm 1item
  12. 2 ÷ 20 Nm 1item
  13. 4 ÷ 20 Nm 2items
  14. 2,5 ÷ 25 Nm 2items
  15. 5 - 25 Nm 1item
  16. 5 ÷ 25 Nm 2items
  17. 3 - 30 Nm 1item
  18. 6 - 30 Nm 2items
  19. 4 ÷ 40 Nm 1item
  20. 8 - 40 Nm 3items
  21. 8 ÷ 40 Nm 1item
  22. 6 ÷ 50 Nm 2items
  23. 10 ÷ 50 Nm 3items
  24. 6 - 60 Nm 1item
  25. 6 ÷ 60 Nm 1item
  26. 16 - 80 Nm 1item
  27. 10 - 100 Nm 2items
  28. 10 ÷ 100 Nm 3items
  29. 20 ÷ 100 Nm 5items
  30. 25 - 120 Nm 2items
  31. 25 ÷ 130 Nm 2items
  32. 25 ÷ 150 Nm 1item
  33. 30 ÷ 150 Nm 1item
  34. 32 - 160 Nm 1item
  35. 20 - 200 Nm 2items
  36. 20 ÷ 200 Nm 3items
  37. 40 - 200 Nm 3items
  38. 40 ÷ 200 Nm 4items
  39. 50 ÷ 250 Nm 1item
  40. 30 - 300 Nm 1item
  41. 50 - 300 Nm 1item
  42. 60 ÷ 300 Nm 1item
  43. 70 ÷ 350 Nm 1item
  44. 40 - 400 Nm 1item
  45. 40 ÷ 400 Nm 3items
  46. 80 - 360 Nm 2items
  47. 80 ÷ 400 Nm 2items
  48. 110 - 550 Nm 2items
  49. 60 - 600 Nm 1item
  50. 100 - 600 Nm 1item
  51. 100 ÷ 600 Nm 1item
  52. 65 ÷ 650 Nm 3items
  53. 130 ÷ 650 Nm 2items
  54. 80 ÷ 800 Nm 1item
  55. 155 - 760 Nm 2items
  56. 140 ÷ 800 Nm 1item
  57. 160 ÷ 800 Nm 1item
  58. 100 - 1000 Nm 2items
  59. 100 ÷ 1000 Nm 1item
  60. 200 ÷ 1000 Nm 2items
  61. 520 - 1000 Nm 2items
  62. 600 - 1500 Nm 2items
  63. 500 ÷ 2000 Nm 1item
  64. 750 - 2000 Nm 2items
  65. 1500 - 3000 Nm 1item
DImension
  1. 7 mm 2items
  2. 8 mm 3items
  3. 9 mm 1item
  4. 10 mm 3items
  5. 11 mm 2items
  6. 12 mm 2items
  7. 13 mm 5items
  8. 14 mm 4items
  9. 15 mm 5items
  10. 16 mm 4items
  11. 17 mm 5items
  12. 18 mm 4items
  13. 19 mm 5items
  14. 21 mm 3items
  15. 22 mm 4items
  16. 24 mm 4items
  17. 25 mm 1item
  18. 27 mm 4items
  19. 28 mm 1item
  20. 30 mm 4items
  21. 32 mm 4items
  22. 34 mm 3items
  23. 36 mm 3items
  24. 38 mm 1item
  25. 41 mm 3items
  26. 46 mm 1item
  27. 50 mm 1item
  28. 55 mm 1item
  29. 60 mm 1item
Coupling
  1. 9 x 12 mm 12items
  2. 14 x 18 mm 9items
  3. 22 x 28 mm 3items
  4. - mm 2items
Resolution
  1. 0,05 Nm 2items
  2. 0,1 Nm 2items
  3. 0,10 Nm 7items
  4. 0,25 Nm 3items
  5. 0,5 Nm 1item
  6. 0,50 Nm 3items
  7. 1 Nm 3items
  8. 1,00 Nm 1item
  9. ±1% ±1 digit Nm 1item
  10. ±1% ±1 digit Nm 1item
  11. 2 Nm 1item
  12. 2,5 Nm 1item
  13. 5 Nm 4items
  14. 10 Nm 3items
  15. 20 Nm 1item
  16. 25 Nm 3items
  17. 50 Nm 3items
On Sale
  1. On Sale 7items