How to choose a torque wrenches

Updated June 2026Independently researchedNo paid placement.

What’s the difference between a click and beam torque wrench?

A click torque wrench uses an internal spring-and-clutch mechanism that makes an audible click when you reach the preset torque value. You set the desired torque by turning the handle, and the wrench disengages slightly to signal you’ve hit the target. These are the most common type among mechanics and serious DIYers because they’re reliable and can be used in tight spots where you can’t see the scale. A beam torque wrench works on a simpler principle: it has a long beam with a scale, and a smaller indicator beam that stays stationary as you apply force. You watch the pointer move across the scale and stop at the torque you need. There’s no click, no mechanism to adjust, just a direct, visual measurement. Beam wrenches are inherently less fancy and much less expensive, but they require you to see the scale clearly while applying force.

Which is more accurate, a click or a beam torque wrench?

Both types can be accurate within a typical range of ±3% to ±5% when used properly, but the key difference is how they maintain that accuracy over time. Click wrenches rely on internal springs that can drift with use and age, so they need periodic recalibration, often every year or after heavy use. High-end click wrenches hold their calibration longer, but budget models may drift sooner. Beam wrenches have no internal springs or friction parts that wear out, so they theoretically stay accurate forever as long as the beam itself isn’t bent or damaged. That’s a big advantage for casual users who don’t want to bother with calibration. However, beam wrenches are harder to read precisely because you’re trying to watch a moving needle while turning a fastener, which can introduce human error. For most people, a good click wrench is more repeatably accurate because it eliminates needing to read a scale mid-turn.

Which style is easier to use for a beginner?

For a complete beginner, a beam torque wrench is simpler to understand, there’s no setting a dial, no preload, no confusion about units. You just pull and watch the needle. The trade-off is that you have to keep your eyes on the scale while applying steady force, which can be awkward in uncomfortable positions. If you’re working under a hood or in a tight area, you might not be able to see the scale at all. A click torque wrench has a slight learning curve, you need to set and lock the desired torque, and you have to learn what the click feels like so you stop immediately. But once you get used to it, it’s far more convenient because you don’t have to watch anything. Many beginners find the audible click reassuring, as it removes ambiguity. If you can afford a decent click wrench, it’s usually the better choice for learning good habits.

What should you consider when buying a torque wrench?

First, think about the torque range you’ll need most often. Torque wrenches are most accurate in the middle of their range, say, 20% to 80% of full scale. Don’t buy a huge-range wrench (like 20–200 foot-pounds) if you only do small engine work; a smaller range gives better precision. Common drive sizes are ⅜-inch for medium tasks (around 20–100 ft-lb) and ½-inch for heavy work (like lug nuts). A ¼-inch drive is for very small fasteners. Second, consider the scale readability. Click wrenches with a micrometer-style adjustment are easier to set than ones with a simple beam scale. For beam wrenches, make sure the scale is large and clear, with both foot-pounds and Newton-meters if needed. Finally, check the length: a longer handle gives you more mechanical advantage, which can be helpful for high torque but may be awkward in tight spaces. Read owner reviews on Amazon and auto forums to see if a particular model is known for drifting out of calibration or having a sloppy feel.

How do you maintain and calibrate a torque wrench?

For click torque wrenches, always store them with the adjustment dial backed off to the lowest setting. That relieves tension on the internal spring and helps preserve calibration. Never use your torque wrench as a breaker bar, apply force smoothly and stop at the click. If you drop the wrench or use it past its range, recalibrate it before your next critical job. Beam wrenches need less maintenance: just keep them clean, avoid bending the beam, and store them in a protective case. Calibration isn’t needed, but you can check accuracy by hanging a known weight at a measured distance from the square drive, a simple DIY check. For click wrenches, you can send them to a calibration lab for a small fee or buy a torque tester if you use them professionally. Many home mechanics never recalibrate, but that’s risky for critical items like cylinder head bolts.

Digital torque wrenches, are they worth considering?

Digital torque wrenches combine the convenience of a click style with a digital readout that shows real-time torque. They often include features like peak hold, angle measurement, and multiple units. They can be more accurate (some ±2%), but they cost more and require batteries. The main advantage is that you can see the exact torque value during tightening, which reduces the guesswork of interpreting a click or a beam scale. However, digital wrenches are bulkier and can be damaged by drops more easily. They also have electronics that can fail. For a DIYer who does occasional critical fasteners, a good click wrench is probably a better value. For a professional who needs to document torque or perform angle torquing, a digital wrench can be worth the premium. Read reviews carefully, as some budget digital models have slow response times or confusing interfaces.

Frequently asked questions