Allen

Allen tools, the original designer of the hex key wrench, has continued to innovate on their classic Allen wrench design ever since it was patented in 1910. Since then the Allen safety screw has become widely used for a variety of hardware purposes.

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Discontinued
21-952
Discontinued
70-509
Discontinued
69-490
Discontinued
58024
Discontinued
057032
Discontinued
70-507
Discontinued
58022

When should I use a socket screw, or an Allen wrench?

Allen wrenches and socket screws should be used in situations where head height is an issue. The wrenches are much shorter than regular wrenches, so these screws and wrenches can be used where normal screwdrivers and screws cannot.

What are the benefits of fold-up hex keys?

Fold-up hex keys, in addition to providing multiple head sizes in a compact tool, also provide more torque than traditional hex wrenches.
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