A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that's used for for driving bolts and screws with a hexagonal socket. He later marketed the new screw head under the name “Allen safety set screw.” Hex keys come in a variety of different sizes, which are measured by across-flats (AF).
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Correspondingly, what is an allen key used for?
A hex key, Allen wrench or Allen key, is a simple tool used to drive bolts and screws with hexagonal sockets in their heads.
Subsequently, question is, how do I know my Allen key size? Hex wrench sizes are determined by the diameter of the screw.
Standard-Size Allen Wrench
- 1/8 inch.
- 3/32 inch.
- 7/64 inch.
- 5/32 inch.
- 3/16 inch.
- 1/4 inch.
- 7/32 inch.
Correspondingly, are Torx and Allen keys the same?
What Is the Difference Between a Torx Key and an Allen Key? Allen keys, also called hex keys, feature a hexagonal cross section, while Torx keys feature a star- or asterisk-shaped cross section.
How many types of Allen keys are there?
four types
Related Question Answers
What can I use instead of an Allen key?
Sometimes you can use small types of flat headed screwdrivers as an allen wrench by putting the end in the socket so that the 2 edges of the screwdriver work as leverage in the hole to turn it. A wider socket on the bolt or nut, use a wider flathead screwdriver.
What is the difference between Allen and hex?
A hex is a standard bolt, you would use a wrench on(external hex). An Allen is a bolt you would use a Allen wrench on(internal hex).