adjustable wrench

by Joost Nusselder | Updated on:  July 29, 2022
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An adjustable wrench (US) or adjustable spanner (UK) is a wrench with a “jaw” of adjustable width, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener, as with a conventional fixed spanner. An adjustable spanner may also be called a Bahco (European usage, see below), crescent wrench (US, Canada and New Zealand usage – see Famous brands section), adjustable end wrench (US), wrench, shifter, shifting spanner (UK, Australia), shifting adjustable, fit-all or adjustable angle-head wrench.

I'm Joost Nusselder, the founder of Tools Doctor, content marketer, and dad. I love trying out new equipment, and together with my team I've been creating in-depth blog articles since 2016 to help loyal readers with tools & crafting tips.

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