The function of a wrench depends on what type of wrench it is. In general, small flat wrenches have two 'flats' that are sized to particular bolt or nut sizes.These wrenches are used to loosen or tighten nuts onto bolts. The crescent wrench is able to be adjusted to many sizes of nuts and are handy to have in a tight corner when you don't know the size. Ratchet wrenches are used to do up or loosen nuts quickly where movement may be restricted and you have to re-seat an ordinary wrench after each partial turn. Box wrenches have round heads, able to completely encompass the nut and are very useful where nuts are rusted or otherwise extremely tight. Pipe wrenches are usually larger jawed wrenches used to grip large pipe nuts and pipes themselves in Plumbing work.
to tighten or loosen bolts and nuts and also to skin knuckles.
The function of wrenches is to turn nuts or bolts.
There are many kinds of wrenches. Perhaps the most common are open end wrenches. Then you have box wrenches, pipe wrenches, adjustable wrenches, combination wrenches and many others.
A wrench is a hand tool that is utilized to tighten or loosen nuts.
Wrench & wrenches
Powermaster Slugging Wrenches / Striking Wrenches have the heaviest construction on the market. Slug Wrenches / Striking Wrenches wall and thickness optimized for heavy impact Powermaster also manufactures castellated wrenches for use on GE turbines. Along with castellated wrench, GE turbine tools like castellated sockets, stack sockets, Striking Wrenches, slug wrenches, podger spanners, slug spanners are also manufactured. Hammer /Hammering Wrenches are available in all metric and inch sizes upto 9 1/4" (230 mm) A/F. Powermaster also manufactures podger spanners or podger wrenches (Structured Wrenches)
monkey wrenches are named appropriately because due to their dexterity they can reach places that we as humans can not.
Socket wrenches are made all over the world.
Anybody who repairs or maintains mechanical things uses wrenches.
Reed is a good brand of hand wrenches.
Allen wrenches are used to tighten and loosen Allen screws.
You mean Stilson, - they are a famous brand of heavy duty wrenches.
Many different people invented different wrenches at widely different times.
Wrenches or spanners are most useful. Sockets are very useful in many cases. I keep complete sets of both SAE and Metric wrenches in my car. along with Allen wrenches of both types. I do have some excellent adjustable ( crescent ) wrenches, but prefer wrenches that fit exactly as I was taught in maintaining aircreft.