What is a jaw wrench?
What is a jaw wrench?
An adjustable spanner (UK and most other English-speaking countries) or adjustable wrench (US and Canada) is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.)
Where did the term spud wrench come from?
In the early 1900s, toilet plumbing had pipes called spuds. Plumbers used these wrenches to snugly fit the bolt to attach or remove it. “Spud” was a term at the time that also referred to a shank or small, homemade knife. The wrench ends were homemade into pointy, sharp ends similar to the shanks.
Why do they call a pipe wrench a monkey wrench?
Charles Moncky, a Baltimore mechanic, invented the monkey wrench around 1858. Moncky’s wrench was named using a purposeful misspelling of his name.
What is a wrench with teeth called?
The Stillson wrench is an adjustable wrench (spanner) with hardened serrated teeth on its jaws. The hard teeth bite into the softer metal of the round pipe and provide the grip needed to turn a pipe, even against fair resistance.
How many types of Wrenchs are there?
Types
| American name | British/Commonwealth name |
|---|---|
| combination wrench | combination spanner open-ring spanner |
| flare-nut wrench tube wrench line wrench | flare spanner flare nut spanner brake spanner crow’s-foot spanner |
| ratcheting box wrench | ratcheting ring spanner |
| flex-head socket wrench Saltus wrench | swivel head spanner |
What is an Allen?
Also known as a hex key, an Allen key is an L-shaped tool that’s used for the installation and removal of fasteners with a hexagonal head. They consist of a single piece of material, typically metal, that’s formed into a right angle. Both ends of an Allen key are hexagonal.
What’s the real name for a monkey wrench?
What is another word for monkey wrench?
| adjustable spanner | obstruction wrench |
|---|---|
| pipe wrench | spanner |
| Stillsons | crescent spanner |
| Stillson wrench | shifting spanner |
| wrench |
What was an alligator wrench used for?
This “alligator” wrench (so-called because of its shape, like an “alligator’s mouth”) was used to turn iron and steel pipes and rods which could not be turned with a regular wrench. A pipefitter often used such a tool in fitting or removing air- and water-piping from a locomotive.
What is a plumbers wrench called?
Pipe wrenches, sometimes referred to as monkey wrenches, are used by plumbers, drillers and many other trades that work with threaded piping.
What’s the difference between a monkey wrench and a pipe wrench?
Monkey wrenches have flat jaws, while the jaws on pipe wrenches have teeth for gripping rounded surfaces. You should use monkey wrenches for flat surfaces and pipe wrenches for rounded surfaces. It is always recommended to have various wrenches in your set since you never know what projects may get thrown your way.
What are Stilsons used for?
The adjustable pipe, or Stillson, wrench is used to hold or turn pipes or circular bars. This wrench has serrated jaws, one of which is pivoted on the handle to create a strong gripping action on the work.
What is a monkey wrench used for?
The monkey wrench can be used to clamp onto pipes and various fasteners such as lug nuts, bolts and screws. The jaws of the monkey wrench are attached to the fastener head: This is where you want to slide the lower jaw to fit the specific fastener with a strong grip.