What is the hook?

The

hook key, also in the UK known as the key with a hook or C-Spanner, is a hand tool that consists of a flat handle that ends with a hook. The hook can be immobile or can be suspended to allow the key to fit around parts of different sizes. To tighten, relax or hold components of machines that are round, but also knurled or versatile, such as conventional nuts and tubular fittings. Since it is available in a number of different sizes and often has an adjustable head, it is a highly flexible tool that can be used to adjust parts of different circuits.

In most cases, the hook keys are made of highly durable chrome or carbon, stainless steel or tool steel. Their handles can be covered with rubber or plastic sleeves to improve the adhesion and comfort of the user. Commonly available models range from approximately 4 inches (10.16 cm) up to 13 inches (33.02 cm). Depending on the size of a single model is the SCHOpen is adjusted with a diameter of the diameter as small as the 0.6 inches (1.52 cm) and up to 8 inches (20.32 cm). It can range from approximately £ 0.05 (22.68 g) to approximately £ 3 (1.36 kg).

Whether the head of the hook or the hook is fixed in place or adjustable, the inside of its curve usually ends with a small, pointing tooth or claw. When the key is located around the part that is used for handling, this tooth fits in the notch of the part - as well as with a limited lock nut - or grasped on one of its aspects - as with a chamfered pipe. When the key turns, the tooth prevents the head from slipping from the location, allowing the user to quickly and efficiently adjust the part.

The

hook key is commonly used to construct and repair machines that contain pipes or other round parts that are connected by nuts, maintained doppicated or other bonds. This type of configuration often youIt meets in plumbing and hygienic systems as well as in dairy, cooling and heating devices. Grove keys are also useful in the treatment of bearings, which are commonly found in products and machines with moving parts. These tools are widely available on the Internet and from hardware and home shops and industrial suppliers.