James van Allen invented the Allen wrench.
James van Allen invented the Allen wrench.
James Van Allen didn't invent the Allen Wrench it was William G. Allen in 1909-1910 of the Allen Manufacturing Company of Hartford, Connecticut.
An allen wrench is sometimes referred to as a hex wrench or hex key.
The "Allen screw" name for the socket head cap screw and "Allen key" for the wrench originate from the products of the Allen Manufacturing Company of Hartford, Connecticut. According to Bates, it is widely reported that the company trademarked the name "Allen wrench or key" for its range of hex wrenches in 1943. The Allen wrench trademark of the Allen Manufacturing Company owas taken out in 1943, Allen became such a successful brand of hex key that many consumers in following decades have assumed (reasonably but incorrectly) that the internal-wrenching hexagon drive was invented by someone named Allen.
7mm Allen wrench
Allen Screws.
There is no Allen wrench, I believe it is 14 mm open wrench.
An Allen wrench is a hex head wrench - a screwdriver with a handle and hexagonal head at right angles to each other.
No they are NOT the same.
To fasten and unfasten Allen screws and bolts. These fasteners have a hexagonal slot in the top into which the Allen wrench or key fits.
You need 3/8 Allen key.