What is double ended wrench?
A one-piece wrench with a U-shaped opening that grips two opposite faces of the bolt or nut. Double-ended, with a different-sized opening at each end. This allows a greater range of movement in enclosed spaces by flipping the wrench over.
What are the different types of pipe wrenches?
There are three main types of pipe wrenches: the straight, the offset and the end pipe wrench. Other types of wrenches include the compound leverage wrench, the chain pipe wrench and the strap wrench. Each of these tools has its own unique purpose and specification.
What are Stilsons used for?
Learn about this topic in these articles: 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 pipe wrench used for?
The common pipe wrench is actually a type of monkey wrench. The monkey wrench is a specialized wrench used for tightening or untightening pipes and turning fasteners, especially in confined areas. It gets its name from the curved shape of its jaws and its resemblance to the teeth of a monkey.
What are tappet wrenches used for?
Used to tighten collars, lock nut rings and help seal packing nuts on hydraulic cylinders. Ultra thin profile for use in close quarters. Openings designed to cover tappets, screws and lock nuts with excessive overhang which helps improve access.
How many heads do a double spanner have?
Spanners are made of a metal shaft with a profile opening on one end. The profile head, or the jaw, is the part that fits over, around or into the fastener to grip it. Many spanners in the market are double-ended tools with two profile heads on both ends of the shaft.
How are pipe wrenches sized?
Pipe wrenches come in every size from small to gigantic. For example, 48-inch pipe wrenches can deal with pipes as large as 5 inches in diameter. Of course, the average person would never need such an industrial-sized wrench. For most, a smaller wrench between eight and 24 inches should suffice.
How does pipe wrench work?
A pipe wrench has two serrated jaws that are tightened and dig into the pipe for grip. The top serrated jaw adjusts up and down to fit different size pipes. The unique feature of a pipe wrench is that the teeth will only grip when turning the wrench in one direction (see above), so it almost acts as a ratchet wrench.
Who invented the crescent wrench?
He left Vårgårda at age 19, in 1873, for Motala to work as a navvy….
| Johan Petter Johansson | |
|---|---|
| Died | 25 August 1943 (aged 89) |
| Nationality | Swedish |
| Occupation | Inventor |
| Known for | Inventor of an adjustable spanner and plumber wrench. |