Is Torx Same as Hex

Torx keys at first glance look very similar to hex keys. However, Torx keys have a six-pointed star-like shape, instead of the six flat sides of a hex key.

What can I use instead of a hex 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.

Is hex key same as Allen key?

A hex key, also known as an Allen key is a simple tool used to drive bolts and screws with hexagonal sockets in their heads.