The term "monkey wrench" dates back to 1807 in Great Britain. Referring to the tool, the phrase appears in E.S. Dane’s "Peter Stubs & Lancashire Hand Tool Industry" catalog, which reads "Fleetwood, Richard...Parr, Rainford. Screw plates, lathes, clock engines...monkey wrenches, taps."Know More
In 1858, Charles Moncky of Baltimore, Maryland, applied for a patent for the monkey wrench. Some believe the term monkey wrench is a derivation of Mr. Moncky's name, but its use in Great Britain in 1807 negates this assumption.
The phrase "throwing a monkey wrench," meaning the creation of an obstacle, dates to a 1907 article in the Chicago Tribune, which reads: "It should look to them as if he were throwing a monkeywrench..."Learn more about Tools
The pipe wrench was invented in 1870 by Daniel Stillson. He brought his design to the Walworth Company, where he had to demonstrate the value and reliability of the wrench to the owner of the company before the design was put into production.Full Answer >
Although there are over 40 wrench sizes available between 5/16 of an inch and 7 inches, some common sizes, in inches, are 5/16, 3/8, 7/16, 1/2, 9/16 and 5/8. The wrench size is not the same as the bolt size. For example, a bolt with a 5/16-inch diameter requires a half-inch wrench.Full Answer >
The Home Depot, Amazon.com and Craftsman sell torque wrenches. Craftsman only sells its own brand, with wrenches ranging in diameter sizes from 3/8 inch to 1/2 inch.Full Answer >
Check for the appropriate amount of torque and turn the torque wrench in a clockwise motion against the bolt until the indicator or the gauge shows the desired ft-lbs. When tightening bolts on a car wheel, the recommended amount of torque is usually listed in the car owner's manual.Full Answer >