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We can offer ISO 6789:2003 (withdrawn) and new ISO 6789:2017 standard calibrations
We’ll supply a torque wrench calibration certificate PDF with all ISO 6789:2017 calibrations
Our 5 day lead time is inclusive of collection and return, minimising disruption to your business while maximising uptime
We only use state-of-the-art torque transducers to calibrate your torque wrenches
Keeping your torque wrenches calibrated and accurate on your schedule.
It’s standard practice to calibrate your torque wrench every 5,000 cycles or every 12 months (whichever comes first), to ensure the tool continues to deliver accurate performance.
At our calibration laboratory in Birmingham, or on site at your business, our team of experienced technicians calibrate the following types of torque wrench to ISO 6789:2003 (withdrawn) and the new ISO 6789:2017 standards:
Up to 2,500 Nm
A torque wrench is a tool used to tighten nuts and bolts to a predetermined torque value.
Torque wrenches allow the user to measure the amount of pressure being applied to fasteners, to ensure it matches the recommended specifications for the job.
Beam torque wrenches can be used for both tightening and loosening nuts and bolts.
During use, the handle on the main beam is used to employ force, while the scale shows the level of force being applied and will stop at the right number once the right level of torque has been reached.
Click torque wrenches can also be used for tightening and loosening.
A click torque wrench features a spring-loaded lever which is adjusted by twisting the handle to the right setting. A click torque wrench alerts the user when the correct torque level has been reached by making a clicking noise.
The clicking noise is produced when the internal lever breaks after reaching the desired torque level.
Dial torque wrenches are commonly used in the automotive, aerospace and defence industries.
They are considered as one of the most accurate types of torque wrench to use as they are the only type of torque wrench not affected by the position of the hand holding the wrench. However, they can be harder to use in small spaces as they are wider than most other types of torque wrench.
Digital torque wrenches are different from their manual cousins as they don’t feature any moving parts and instead work from an electric sensor. It shows the user how much twisting force is being applied on a digital display.
Inside the inner workings of a digital torque wrench is a small chip which contains a memory card. The memory card saves readings, which can then be accessed on a computer.
Dial torque wrenches are commonly used in the automotive, aerospace and defence industries.
They are considered as one of the most accurate types of torque wrench to use as they are the only type of torque wrench not affected by the position of the hand holding the wrench. However, they can be harder to use in small spaces as they are wider than most other types of torque wrench.
Industrial torque wrenches are extremely robust and have a higher range than standard torque wrenches. They are commonly used in commercial vehicle maintenance where accuracy is important.
Quantity discounts available when booking in 10 or more electrical items for calibration.
If you don’t require a 5 day turnaround for your electrical items, you can qualify for further discounts depending on how long you can wait for your items to be calibrated.
Torque tools are calibrated to apply a certain amount of torque to a fastener. The amount of torque that is applied depends on the amount of force on the tool’s handle and the length of the wrench.
The handle contains an internal mechanical indicator which connects to a calibrated scale. When the indicator determines the desired torque has been reached, stop twisting the bolt.
It’s important to have your torque wrench calibrated regularly as if the wrench falls out of calibration it could provide inaccurate readings.
These inaccurate readings could be dangerous, especially in industries such as automotive where applying the wrong amount of torque to a wheel fastener could cause it to come loose, or to shear off.
During a calibration your torque wrench is placed horizontally into a torque loader and connected to a torque transducer. Torque is applied to the wrench in a clockwise direction by winding the wheel on the loader until the instrument clicks to indicate the instrument has reached the set value.
For beam, dial and digital torque wrenches where a value cannot be set, torque would be applied until the desired value has been reached.
The calibration is carried out over three test points (determined by the chosen ISO standard), with five repeatability readings taken at each test point. If the instrument is a pre-set torque tool, in most instances ten repeatability readings would be carried out at the one test point.
ISO defines the standards that torque tool calibrations must follow. In 2017, the 2003 standard (ISO 6789:2003) was withdrawn and replaced with the 2017 standard (ISO 6789:2017). The 2003 (withdrawn) standard is still commonly used however and is still a recognised standard.
Norbar torque wrench calibration
Teng Tools torque wrench calibration
Snap-on torque wrench calibration
Britool torque wrench calibration
If your torque wrench cannot be calibrated or is uneconomical to repair, we will contact you straight away and offer a branded like-for-like replacement. We will supply the replacement torque tool calibrated to your original order requirements.
With hundreds of pieces of equipment on-site requiring calibrations, it can be a struggle to keep on top of the deadlines, documentation and suppliers involved in the process. We have the solution…
We can calibrate much more than the items we’ve listed above, including electrical, pressure, temperature, weight and mass, so please drop us a message with your requirements and we’ll provide you with a quick, no-obligation quote.
