Digital torque wrenches are precise, reliable tools, but they don’t maintain themselves. Proper care is essential to preserve their accuracy and extend their lifespan. Whether you’re tightening fasteners on an assembly line, maintaining machinery or working on vehicles, properly caring for your torque wrench can prevent costly mistakes and ensure consistent performance.
Once you adopt the right habits for torque wrench care, it will become second nature. In this guide, we’ll explore the key steps to protect your investment and keep your tool delivering precise results for years to come.
Why proper torque wrench care matters
You rely on your torque wrench to provide accurate measurements time after time. To ensure it’s there and in good working order when you need it, it’s vital to take the time to look after it. Improper storage or misuse can affect the accuracy of your torque wrench, with significant consequences for safety and performance.
Poorly maintained torque wrenches can:
- Deliver inaccurate readings, leading to under- or over-tightened fasteners.
- Wear out prematurely, shortening their lifespan.
- Lose calibration more quickly, requiring more frequent servicing.
- Increase the risk of tool failure or damaged components.
When you look after your tools, you protect your work too. It’s about consistency, reliability, and peace of mind. A torque wrench is only as good as its maintenance, and neglecting its care can affect accuracy, potentially compromising both safety and quality.
Let’s take a look at the first step in looking after your torque wrench: using it correctly.
1. Use your torque wrench correctly
Caring for your torque wrench protects your work as well as your tool. Consistent, reliable performance starts with proper handling. The first step? Using it correctly.
Many issues arise from misuse rather than wear. Following these guidelines will help preserve your tool:
- Stay within range: Do not tighten fasteners outside the rated capacity of your torque wrench. Doing so can overload the tool and damage its internal components.
- Only use it for torquing: If you need to loosen a stubborn fastener, do not use your torque wrench as a breaker bar. Instead, use a ratchet, as excessive force in the wrong direction can crack or distort the torque wrench mechanism.
- Apply steady pressure: Avoid sudden jerks or impact to help keep the components aligned and avoid damage to the tool.
- Always stop at the click: If you’re using a click torque wrench, always stop when you hear or feel the click. Going past that point can put strain on the tool. (For digital wrenches such as the IQWrench3, this also applies when the status LED light ring turns solid green).
2. Handle with care
This may seem like a simple one, but people often overlook how they handle their tools. A torque wrench should be treated with care and not like just any other hand tool. Here are some key things to follow for good torque wrench care:
- Avoid tossing it into toolboxes or onto benches.
- Always place it gently on a clean surface when not in use.
- Never use it as a hammer, pry bar or makeshift lever.
- Keep it away from heavy or sharp objects that might dent or scratch it.
3. Correct storage for torque wrenches
How and where you store your torque wrench can play a massive part in its long-term condition. Storing it correctly can serve as preventative maintenance. Follow these best practices:
- Keep it clean and dry.
- Store it in its protective case (if applicable).
- Always reset it to its lowest torque setting before putting it away.
- Store in a cool, dry environment.
Find out more about the correct way to store your torque wrench.
4. Remove any grease, dirt and debris
Grease, oil and metal shavings can quickly build up if your torque wrench isn’t cleaned regularly. This type of debris can enter moving parts, causing sticking or inaccurate readings. You can keep your torque wrench clean by:
- Wipe the exterior with a soft, dry cloth after every use.
- If needed, use a mild solvent to remove stubborn grease (never soak the wrench).
- Pay attention to the drive and head area, as residue can collect there.
- Don’t disassemble the wrench yourself unless you’re trained to do so.
5. Schedule regular calibration and maintenance
Any torque-measuring equipment, especially torque wrenches, requires regular calibration and maintenance to remain accurate and in good working order. Even the best-cared-for tools will drift out of calibration over time, which is why it’s important to catch it through regular maintenance before it affects your torque measurements.
For good torque wrench care, it’s good practice to calibrate your tools once a year or every 5,000 cycles, whichever comes first. However, you might need more frequent checks if you use your wrench heavily, in critical applications or if it’s been dropped.
Not sure if your torque tool is ready for calibration? Read our blog on the three signs that your torque equipment requires calibration.
6. Inspect your tool before every use
Make it part of your torque wrench care routine to inspect your tool for signs of wear before and after each use. Catching early warning signs can save you from bigger problems later. Look for:
- Cracks, dents or loose parts.
- Stiff or uneven movement when applying torque.
- Inconsistent clicks or readings.
- Rust or corrosion on the body or drive.
- Missing calibration labels or serial number.
7. Torque wrench care: keep a maintenance log
It’s easy to let maintenance slip your mind, especially if you don’t keep a maintenance log. In busy environments, it can be hard to keep track of which tools have been serviced or calibrated. Here are some things you should record to help you stay on top of it and ensure compliance:
- Purchase information and wrench serial numbers.
- Calibration dates and results.
- Any repairs or servicing.
- Notes on usage frequency.
8. Choose the best quality torque wrenches
To get the most from your torque wrench, always pick a top-quality one, such as our range of digital torque wrenches at Crane Electronics. When you choose Crane torque equipment, you can rest assured that you’re choosing the best quality tools, backed by years of experience and outstanding customer support.
If you would like help in finding the right torque measurement solution for you and your applications or have any questions about torque wrench care, please get in touch with our friendly team.