The right wrench turns a 30-minute job into a 5-minute one. Here is the core set worth knowing.
Everyday wrenches
- Open-end โ fast on bolts you can reach from the side.
- Box-end โ grips all six points of a fastener, far less rounding.
- Combination โ open on one end, box on the other. The all-rounder.
- Ratchet โ keeps the socket on the bolt while you swing back and forth.
Precision wrenches
- Torque wrench โ applies an exact tightening force. Essential for anything safety-critical.
- Allen / hex key โ for socket-head screws.
- Torx โ star-shaped, common in modern equipment.
Specialty wrenches
- Pipe wrench, strap wrench, crowfoot, flare-nut, and the humble adjustable wrench for when nothing else fits.
A torque wrench that lives at the bottom of a toolbox, un-calibrated, is just an expensive lever. Look after it.
Learn the feel of each one and you stop fighting fasteners and start removing them.