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A Cam-Action Lockable Door Latch Kit is a heavy-duty security system used primarily on the rear or side doors of enclosed cargo trailers, horse trailers, and utility vans.
Unlike a standard door knob, it uses a long vertical bar (the "cam bar") that rotates to pull the door tight against the trailer frame, creating a weather-tight seal and a high level of physical security.
The "cam action" refers to the way the latch operates:
1.Rotation: When you move the handle, it rotates a vertical metal pipe.
2. Cams & Keepers: On the ends of this pipe are "cams" (hooked lugs). As the pipe turns, these cams lock into "keepers" (brackets) mounted on the trailer frame.
3.Compression: The leverage of the long handle allows the cams to pull the door firmly shut, compressing the door seals to keep out dust and rain.
Tamper Resistance: Most kits feature non-removable pins or "double-action" handles that prevent the door from jarring open during transit or being easily tampered with from the outside.
Lockability: The handle usually rests in a "bridge hasp" that has a hole for a padlock. Some modern versions (like those from Bauer or Global Link) feature a built-in lock cylinder.
Durability: They are typically made from zinc-plated steel, galvanized steel, or stainless steel to resist rust and road salt.
Versatility: Most kits are reversible, meaning they can be installed on either the left or right-hand side of the door.
A standard kit usually includes the following components, though the long vertical pipe is often sold separately due to shipping size constraints:
Handle Assembly: The long lever used to rotate the bar (often with a vinyl grip).
Hasp: The bracket that holds the handle in the closed position and allows for locking.
Cams/Lugs: The "hooks" that attach to the top and bottom of the pipe.
Keepers: The brackets mounted to the trailer frame that the cams lock into.
Pipe Retainers/Bushings: Brackets that hold the pipe against the door and allow it to spin freely.
| Material | Best For... | Pros/Cons |
| Zinc-Plated Steel | Standard dry-land use | Cost-effective; good rust resistance but can wear over time. |
| Stainless Steel | Coastal/High-salt areas | Maximum corrosion resistance; most expensive. |
| Aluminum | Lightweight trailers | Rust-proof and light, but less structural strength than steel. |
GL-11131 Cam-Action Lockable Door Latch Kit is very popular for many markets, heavy duty application, weight 3.4kgs, for 22mm tube, very suitbale for enclosed trailer.
Jiaxing Ganland Auto Parts Co., Ltd. is a professional manufacturer specializes in designing and producing different types of machinery parts for trucks and other commercial vehicles. Our main products include Truck Trailer Cam Door Locks, Toolbox Serie, Truck Door Hinges, Fastener Serie, Cargo Control, Curtainsider Truck Parts, Wing Opening Van Parts, Rubber Bumpers & Buffers, Trailer Mudguard, Truck Door Seal, Excavator Body Parts, and Other Hardware And Accessories
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