A hook wrench is a type of adjustable wrench that is designed to tighten or loosen objects with a circular or ring-shaped profile, such as nuts, bolts, or pipe fittings. It consists of a long handle with a hook or C-shaped jaw at one end. The jaw has a semi-circular shape with a pointed or serrated interior surface that engages with the object being worked on.
To use a hook wrench, you place the hook-shaped jaw around the object that needs to be turned and adjust the position of the jaw so that it securely grips the object. Then, you apply force by turning the handle in the desired direction. The pointed or serrated interior surface of the jaw provides a secure grip on the object, allowing you to apply torque without slipping.
Hook wrenches are commonly used in applications where standard wrenches or other tools cannot provide sufficient access due to the shape or location of the object. They are often used in plumbing, automotive, and mechanical applications where there is a need to tighten or loosen objects with circular profiles, such as large pipe fittings, locknuts, or threaded collars.
Hook wrenches come in various sizes and designs to accommodate different types of objects and provide a range of gripping capacities. They are versatile tools that offer a practical solution for situations where other wrenches may not be suitable.
There are several different types of hook wrenches, each designed for specific applications and sizes of objects. Here are some common variations:
- C-Type Hook Wrench: This is the most basic and widely used type of hook wrench. It has a C-shaped jaw with a pointed or serrated interior surface. The jaw is adjustable and can be moved along the handle to accommodate different sizes of objects.
- Adjustable Hook Wrench: This type of hook wrench features an adjustable jaw that can be moved along the handle and locked into position at the desired size. It allows for greater flexibility in terms of the range of object sizes that can be accommodated.
- Pin-Type Hook Wrench: A pin-type hook wrench has a hook jaw with two or more pins protruding from it. These pins fit into holes or notches on the object being turned, providing a secure grip. Pin-type hook wrenches are often used for turning slotted collars or adjusting certain types of machinery.
- Face-Type Hook Wrench: A face-type hook wrench has a flat face on the inside of the jaw instead of a pointed or serrated surface. It is used for objects with a smooth or delicate surface that may be damaged by the pointed or serrated jaws of other hook wrenches.
- Round Hook Wrench: Round hook wrenches have a circular-shaped jaw instead of a C-shape. They are specifically designed for turning objects with a round profile, such as round nuts or collars.
These are just a few examples of the different types of hook wrenches available. The specific design and features of a hook wrench will vary depending on the manufacturer and the intended application. It’s important to select the appropriate type and size of hook wrench for the task at hand to ensure safe and effective use.
Adjustable hook wrench with nose ELORA 890-V, Germany
The premium ELORA 890-V series wrench is designed to work with DIN 1804 grooved nuts and DIN 981 bearing nuts. Manufactured in Germany, using specially forged high-quality steel and smart design, this wrench ensures precision and convenience during work. It is available in various sizes to suit different applications.SKU: 890-V-
Hook wrench with nose 890- Series according to DIN 1810, from A
The high-quality ELORA 890-Series hook wrench, compliant with DIN 1810 Form A standards and made in Germany, is designed for loosening/tightening DIN 1804 grooved nuts and DIN 981 antifriction bearing bolts. It features a convenient design, a robust one-piece construction, and adherence to industrial standards. ELORA Germany.SKU: 890-
Adjustable pin wrench ELORA 892 according to DIN 3116, Germany
The ELORA 892 Adjustable Pin Wrench, compliant with DIN 3116, is a German-made tool for handling nuts with two holes, featuring a V-shaped design for flexibility and high-quality tool steel construction. It’s offered in various sizes, providing durability and precision in bearing and roller bearing applications. By ELORA made in Germany.SKU: 892-
Hinged hook wrench with nose short design ELORA 890-VG, Germany
The ELORA 890-VG series wrench is crafted for DIN 1804 grooved nuts and DIN 981 bearing nuts. Manufactured in Germany with super-hardened alloy steel, it guarantees accuracy. Featuring a unique hinged nose design, black phosphate finish, and ergonomic handle, it offers efficient handling. Full CO and CQ certifications ensure safety and quality.SKU: 890-VG Series
Hook wrench with pin ELORA 891 , DIN 1810 Form B, Germany
ELORA 891 – high-quality German-made hook wrench with a pin designed for DIN 1810 Form B standard nuts. Crafted from super-hardened steel. Its rounded design ensures comfortable grip and control during tightening, especially for nuts with radial holes. The surface is sandblasted to increase friction, ensuring safety and precise fastening.SKU: 891-