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Types of Door Latches

Latches are available in various materials in various thicknesses, finishes, and finishes according to the requirements of engineering. Engineers can select a galvanized lock to prevent corrosion and ensure long-lasting durability in harsh environments.

Other specifications cover the security level required for the application. For example hook lock latches is more secure than a hasp, and may require the use of a padlock.

Hook and Eye Latch

The hook and eye latch is a simple way to secure gates, windows cabinets, sheds, and gates. It's also ideal for securing screens, porches and storm panels. hook lock for van can be screwed in place by hand, without the need for any fancy tools. The screw points are sharp and can be sunk into wood quickly and easily for added stability and security.

To determine the right hook size, first identify the type of hook. Crosby Group(c): Look for the hook type and size embossed near the eye or clevis of the hook. The size is displayed on both sides. The clevis grabber hook has an clevis that can be attached directly to chain, whereas the eye rigging comes with a large, angled eye to use with synthetics or wire rope. Pewag(c): The hook type, size in millimeters and the alloy grade is embossed on the lower surface of the hook bowl. CMCO Columbus McKinnon (c): Look at the "HA 800" or "HA 800-1000" and the hook size on the lower portion of the bowl, which is near the clevis.

Laclede(c) is the marketer of the Cartec chain hook. It is easy to identify by its "Cartec" raised embossed at the bottom of the bowl, and safety orange or red. Gunnebo (c) and CMCO Columbus McKinnon have their names embossed in the lower portion of hook bowl. Additionally, Gunnebo has a swivel hook that's identified by an "ELD" mark that is located midway across the bowl. The hook has a large eye that can spread round and web slings.

Clevis Latch

A clevis lock lets the user to attach a clevis onto an anchor and prevents the hook from falling off during a transfer of load. Clevis latches are available in a variety of styles including those with spring-loaded handles and those with a safety lock. This latter is perfect for use with slip hooks because they ensure that the load will not fall off the hook unless an upward force is applied. This feature makes clevis slip hooks compatible with ASME B30.9 Slings Standards and OSHA Regulations.

A standard clevis lock is the clevis pin, which has a the tang at one end and a formed head at the other. The clevises are usually made of steel, which provides strength for the latch. To prevent corrosion, they're often coated with zinc, chrome or silver. They can also be hardened.

These latches are utilized in a variety of ways that range from connecting chains and rigging equipment to securing cargo in pickup trucks as well as on trailers. They can also be utilized for heavy duty applications, such as securing machinery and cranes.

Some clevises are made from machines or folded pieces that have been molded into them. Their bases feature a hole that's either threaded or not, and they can be fastened to other components using an clevis bolt, or a hanger for clevis.

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

Many clevis locks are hardened so they can stand up to the strain and vibrations of harsh environments. Some are even certified for overhead lifting, which means they can withstand a greater amount of weight than non-hardened versions. A latch that is hardened can be plated with a variety of metals such as silver or nickel to enhance the resistance to corrosion. They can be painted or powder coated to enhance color and their appearance.

Self-closing Latch

The locking mechanisms of latches can be as simple or complex as the overall design. The majority of these devices are made of metals for durability and strength. They can also be powder coated or painted to improve the appearance of the latch. Latches, no matter what materials they are made of are required to resist the effects of shearing, bending and bending forces. The thickness of the latch's barrels, back plates and cams is an important element when determining whether they are medium, light or heavy-duty.

The kind of latch you select must be based on your security needs and the kind of enclosure or door it will be attached to. A garden gate that is lightweight is an example. It can be secured with a hook latch. However, a robust shed requires the combination of a padlock and hasp.

It doesn't matter whether you use an automatic latch or not. The most important thing is that it is closed properly. This reduces the risk of a mishap that could lead work-site injuries. If you're not sure whether the hook is ready to be loaded, search for a lock with an internal trigger or stop mechanism.

Another important consideration is handedness. Certain types of bolt, rotary, and slam latches are specifically made to be either left-handed or right-handed. Left-handed latches are generally placed in the middle of the latch on doors that face towards the interior. The right-handed models are put on the outside of doors and are utilized to open doors away from the interior.

There are also specialized latch tools designed to bypass the Adams Rite-style commercial door locking latches found on many truck and bus fleets. These devices enter the assembly through a cutout on the door's side adjacent to the latch. They then pull the swing bar to pull the latch back. These tools are available online or at most hardware stores that stock Adams Rite latch products.

Keyed Latch

Latches are used for closing gates and doors. There are various types of latches. Each type is designed to serve a specific purpose. The most common door latches are hook, clevis, cam, compression, and rotary latches. Some latches include locking mechanisms like the panic bar or a keyed lock. Metals are the most commonly used material used for latches, however other materials can also be employed. They are also subjected to further processes in order to improve their quality of surface. The most common finishes for latches are polishing, plating and polishing, as well as powder coating, and painting.





Keyed latches are latch with a cylinder that requires a specific key to unlock it. Cylinders have pins and tumblers, which align with the cuts in a key to unlock the latch. Some locks include extra features like antidrill or antipick protection.

Another type of latch is the hasp made up of a metal strap and a staple. The staple is attached using a hinge to the other end of a strap that has slots inside it. Other materials, such as plastic and rubber are used to make latches, however, metals are more popular due to their formability, machinability and the strength.

Metal is the most commonly used material used in door latches however, there are a few exceptions. Some latches, for example made of plastic, are designed to help reduce weight or to meet other design specifications. Other types of latches are utilized for specific applications such as latches that are designed to be activated by pressing a lever or handle, allowing emergency exits for buildings and other settings.

There are two types of door latches: knobs and levers. Knobs are generally used on older doors, while levers are more popular in the latest designs. Certain latches can be opened from either side. This is ideal for doors that are with no windows. A Pawl lock is a basic version of a cam-lock that can be opened by turning the quarter-turn. It is commonly used in electronic enclosures, buses, trailers, trucks, and RVs.