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Box-end wrench
01
箱头扳手, 盒头扳手
a hand tool with a closed-looped, box-shaped end that fits snugly around the flats of nuts and bolts, providing a secure grip and allowing for the application of torque during tightening or loosening tasks
What is a "box-end wrench"?
A box-end wrench is a tool used to tighten or loosen bolts and nuts. It has a closed, ring-like end that fits around the bolt or nut, providing a secure grip. The box-end design offers better turning power and prevents slippage, making it ideal for working in tight spaces or on stubborn fasteners. It is often used in mechanical, automotive, and construction work, where a strong, precise grip is needed. The wrench may come in different sizes to fit various bolt or nut sizes.
Example
I used a box-end wrench to tighten the bolt on the car engine.
For the tight space under the sink, a box-end wrench worked better than an open-end wrench.
She had to use a box-end wrench to loosen the stubborn nut on the metal frame.
