Torque Wrench Myths vs. Facts: Separate Truth from Fiction

Misinformation about torque wrenches can lead to bad habits or tool damage. Let’s debunk 4 more common myths and replace them with facts you can trust:

Myth 1: “You can use a torque wrench to loosen bolts.”

Fact: Torque wrenches are designed for tightening, not loosening. Loosening bolts requires more force than the wrench’s calibrated range, which can stretch internal springs (ruining accuracy) or break the wrench head. Use a regular socket wrench or breaker bar to loosen stuck bolts—save the torque wrench for tightening.

Myth 2: “Higher torque range means a better wrench.”

Fact: A wrench’s value depends on how well it fits your projects, not its maximum torque. A 200 ft-lb wrench is useless for electronics (needs 1–10 in-lbs) and will be inaccurate for small DIY jobs (like furniture). A better approach: Own 2–3 wrenches (micro, medium, heavy-duty) to cover all your needs—this is more cost-effective than one “do-it-all” wrench.

Myth 3: “If the wrench clicks, the fastener is perfectly tight.”

Fact: The click means you’ve reached the set torque—but only if the wrench is calibrated and used correctly. If the fastener is dirty (rust, grease) or the socket is loose, the wrench might click before the fastener is tight. Always clean fasteners first, use a snug-fitting socket, and double-check tightness (e.g., wiggle the part) after torquing.

Myth 4: “Torque wrenches don’t need maintenance if you rarely use them.”

Fact: Even unused wrenches need care. Dust and humidity can cause rust on metal parts, and internal springs can weaken over time (even if not used). Every 6 months, wipe the wrench with a dry cloth, lubricate the drive end with lithium grease, and reset the torque to 0. If you haven’t used it in a year, get it calibrated before your next project—stored torque wrenches still lose accuracy.