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What To Say About Hook Lock Latch To Your Boss
Types of Door Latches

Latches can be made in a variety of materials and thicknesses, finishes and sizes to meet the specific requirements of engineering. Engineers can pick a galvanized lock to prevent corrosion and to ensure its durability in harsh environments.

Other specifications include the level of security required to secure an application. For example hook lock latches is more secure than a hasp and could require the use of a padlock.

Hook and Eye Latch

The hook and eye latch can easily be used to secure windows, gates cabinets, sheds, and gates. It is also perfect for securing screens, porches and storm panels. There aren't any fancy tools needed and hooks can be screwed in by hand in a matter of minutes. The screw points are sharp and can be sunk into wood quickly and easily for added stability and security.


To determine the right size of hook, first identify the type of hook. Crosby Group (c): Check the eye or the clevis for the type of hook embossed and size. The size in inches is on one side, and the size in mm is on the other. The clevis grab hook comes with a clevis for direct attachment to chain, while the eye rigging hook features an eye large enough to use with wire rope or synthetics. Pewag(c) is the hook type size (in mm) and the grade of alloy are engraved on the lower part of the bowl of the hook. CMCO Columbus McKinnon(c): Look for "HA 800" or HA 800-1000" and the hook size embossed on the lower part of the bowl near the clevis.

Laclede(c) is the brand that markets the Cartec chainhook. It is easy to recognize as it has "Cartec" raised embossed at the bottom of the bowl and safety red or orange. Gunnebo(c) and CMCO Columbus McKinnon both have their names embossed on the lower portion of the hook bowl. Gunnebo also has a swivel sling hook, which is identified by a "ELD" midway across the bowl. The hook has a large eye that is able to distribute web and round slings.

Clevis Latch

A clevis lock lets the user to attach a clevis to an anchor, and it prevents the hook from coming off during a transfer of loads. Clevis latches are available in a variety, including ones that have spring-loaded handles, as well as ones with a safety lock. This is ideal for slip hooks, as they ensure that the load will not fall off the hook unless an inward force is applied. This makes clevis slip hooks compatible with ASME B30.9 Slings standards and OSHA regulations.

A standard clevis latch has an clevis pin and tang on one end and a formed head on the other. These clevises are typically constructed from steel, which provides strength for the latch. They are often coated with silver, zinc or chromium to resist corrosion. They can also be made harder.

These types of latches can be used in different purposes including connecting chains to the rigging equipment, to securing loads in pickup trucks and trailers. They're also employed for heavy-duty applications, like securing machinery and cranes.

Some clevises are made from machines, while others have folded pieces molded into them. They have a base with a hole, either threaded or not. They can be attached to other parts using the clevis bolt.

The clevis pin is typically threaded, but it can fit into a hole which is smooth or slotted. The pin is larger than a bolt and designed to withstand massive shearing forces as well as an axial load.

Certain clevis locks are made of hardened to endure the stress and vibrations of harsh environments. van hooklocks are even rated for overhead lifting, which means they can support a greater amount of weight than the non-hardened versions. A latch that is hardened can be plated in a variety metals like nickel or silver to increase its corrosion resistance. Paint or powder coatings can be used to improve their appearance and add color.

Self-Closing Lock

The latch's locking mechanisms can be as simple or complicated as the overall design. They are typically constructed from metal to ensure durability and strength. They can also be powder coated or painted to enhance the latch's appearance. Regardless of the materials employed to make them latches should be capable of enduring the bending, shearing and the forces of impact. The thickness of the latch's backing plates, barrels and cams is an important factor when categorizing them as light, medium, or heavy-duty.

The latch you choose should be depending on your security needs and the kind of door or enclosure that you will be attaching it to. A garden gate that is lightweight, for example, can be secured with hook latches. However, a strong shed requires a combination of a padlock with a hasp.

It doesn't matter if you use an automatic latch or not. The most important thing is to ensure that it is shut properly. This will reduce the chance of accidental disengagement that could lead to work-site accidents. If you're not sure how to tell if a self-locking hook is ready to load, look for locks with an internal stop mechanism or trigger mechanism that prevents it from opening.

Another crucial aspect to consider is the hand. Certain bolt, rotary, and slam designs are designed specifically to be left-handed or right-handed. The left-handed models are typically located in the middle of the latch and are typically used on doors that face inward toward the inside of the building. The right-handed models are positioned on the outside of doors and are used to open doors away from the interior.

There are also latches designed to work around the Adams Rite-style commercial door locking latches found on a lot of bus and truck fleets. These devices are inserted through a cutout located on the side of the door close to the latch. They then pull on the swing bar to retract the latch. You can locate these tools online or at most hardware stores that carry Adams Rite latch products.

Keyed Latch

Latches are used to keep gates and doors closed. There are a variety of latches and each has a particular purpose. Some common latches for doors are hook cam, clevis and hook latches as well as compression latches and rotary ones. Some latches are also equipped with locking mechanisms, like keys for locks or a panic bar. Metals are the most commonly used material for latches, but other materials can also be used. They are also subjected to additional procedures to enhance their surface quality. The finishes available for latches include powder coating, painting, and polishing.

Keyed latches are made of an cylinder that requires a key to unlock. The pins and tumblers in the cylinders are aligned with the cut on the key to unlock the latch. Certain locks have additional features, such as antipick or antidrill protection.

Another type of latch is the hasp, consisting of a steel strap and a staple. The strap has a slot punched on one side which fits over the staple, and the staple is connected to the other end of the strap by a hinge that allows it to swing. Other materials such as plastic and rubber can be utilized to create latches but metals tend to be more popular due their ability to form, machinability and the strength.

Metal is the most popular material used for door latches, but there are some exceptions. For instance some latches are constructed using plastics to lessen the weight of a door or to meet other design requirements. Other types of latches are designed for specific purposes such as latches designed to be operated by pushing a lever or handle, which allows emergency exits from buildings and other environments.

There are two kinds of door latches: levers and knobs. Levers are more popular on modern designs, while knobs are typically found on older ones. Certain latches can be opened on both sides. This is ideal for doors that are that do not have windows. A Pawl lock is a basic version of a cam-lock which can be unlocked by reverse a quarter-turn. It is typically employed on electronic enclosures as well as in RVs, trailers, buses and trucks.

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