There are 6 sides
6
Hexagon
a hexagon
Allen keys are hexagonal. The shape is a hexagon (6 sided figure).
There are 6 sides
6
An Allen wrench typically has dimensions of hexagonal shape with sides ranging from 0.05 inches to 0.5 inches, and a length of 2 to 10 inches.
An allen wrench is sometimes referred to as a hex wrench or hex key.
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.
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.
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.