Hex keys are used for working with fasteners that have recesses of the corresponding (that is, hexagonal) shape in their heads. They are metal rods with six sides. These tools are offered both in sets and separately.
Hex keys: 6 important facts
- In the manufacturers’ catalogues, you can come across the instruments with different profiles. For example, Torx keys have the shape of a six-point star and transmit forces efficiently. Tamper-Resistant Torx (TR) has a hole in the centre of the working element and allows handling fasteners with a security post in their heads. Torx Plus (IP) ensures the tightest fit of the device and the surface of the fastener due to its more square points. HEX can be easily centred and transfers the torque very well.
- Hex keys offered by our online shop differ in design. Solid tools with a ball end are ideal for working in tight spaces and they are available at a relatively low price. One of their ends is fitted with a ball end to screw the fastener in slightly and the other one – with a hexagonal head to tighten the fastener completely. Swivel models are fitted with two hexagonal working parts. There are also folding devices with an adjustable angle. They have movable functional elements and it is very convenient to use them though they take up much space.
- There are accessories with I-, L- or T-shaped handles. The first ones are interchangeable bits for manual or electric tools. The second ones often have two working parts and the third ones allow distributing significant force evenly.
- These tools can be made of steel as well as of spark-proof alloys, bronze ones, for instance. The latter tools are suitable for working in explosion- and fire-hazardous environments.
- Make sure that the shape and size of the fastener comply with the ones of the tool. Using inappropriate keys might result in their failure. It is also forbidden to use faulty equipment.
- When the fastener is removed, wipe the tool with a dry cloth. In order to avoid the tool getting corroded, it should be kept in a room with a moderate humidity level.
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