Hex keys

For mounting and demounting some kinds of fastening elements you should use special tools – hex keys. In most cases they are made as L-shaped bent rods with a hexagonal cross-section. The shorter part is usually used as the working element. It is worth while  buying such devices of different sizes to be ready to work with any fastener of the corresponding type.

Types of hex keys

Apart from standard L-shaped ones, there are keys with the T-shaped handle. Moreover, hexagonal bits for screw guns and screwdrivers are presented in catalogues.

Also, the devices differ in the shape of the screw head (the screw drive). For example, it can be:

• Torx. It is made in the shape of a six-pointed star. It provides optimal transmission of the torque.
• Torx Tamper Resistant (or Security Torx). It has the shape of a six-pointed star with the hole in the centre. It is used for working with fasteners equipped with security pins.
• HEX. It is made in the shape of the hexagon. It provides high torque values.

There are also devices that have a ball on one end. When working, you can place them at an angle to the fastening element.

Many manufacturers offer tool sets. Buying such a set is often more convenient and profitable by price than purchasing each needed key separately.

Tips on use

1. Use the tools in accordance with the sizes of fastening elements.
2. Don’t use damaged devices.
3. Keep devices in a dry place protected from dust.

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