Steel Tow Dolly Plunger Pins Spring Loaded Twist Cam lock for Wreckers

Spring - loaded twist lock bolts plunger pins typically have the following main features:

1. Spring - loaded Mechanism

They are equipped with a spring. This spring provides a constant and adjustable clamping force. For example, in some applications, the spring can be set to apply a specific pressure ranging from a few pounds to several hundred pounds depending on the requirements.
The spring helps in maintaining the connection even under vibration or dynamic loads. It compensates for any minor misalignments and keeps the components firmly engaged.

2. Twist Lock Feature

The twist lock design is a key aspect. When the plunger pin is inserted into its mating hole or socket, a twisting action is required to fully engage it. This twisting motion helps in creating a more secure connection.
It prevents accidental disengagement. For instance, in moving machinery parts, the twist lock ensures that the pin stays in place during normal operation, reducing the risk of parts coming apart due to shock or vibration.

3. Plunger Pin Design

The shape of the plunger pin is usually cylindrical or tapered to fit precisely into the corresponding receptacle. A well - defined diameter ensures a snug fit.
Some plunger pins may have a flared end or special coatings. A flared end can help in easier insertion and better retention within the socket. Coatings like chrome or nickel plating can enhance corrosion resistance.

4. Versatility

They can be used in a wide variety of applications. In the automotive industry, they are used for attaching components like suspension parts or body panels.
In aerospace, they find use in securing lightweight yet critical structural elements where reliability and ease of assembly are crucial.

5. Easy Assembly and Disassembly

Despite their secure nature, they are relatively easy to assemble and disassemble when compared to some traditional fastening methods. The twisting action required for locking and unlocking makes it straightforward to handle during maintenance or part replacement.

Spring - loaded twist lock bolts plunger pins have multiple applications:

1. Automotive Industry

Suspension Systems: They are used to connect various components in the suspension, such as links and brackets. The spring - loaded feature helps to absorb shocks and maintain proper alignment during vehicle movement.
Body Panels: For attaching body panels like doors, hoods, and trunk lids. The twist lock ensures that the panels stay securely in place during driving, even with road vibrations.

2. Aerospace

Aircraft Structure: In the assembly of aircraft frames and wings. Their high - reliability and ability to maintain tight connections in different flight conditions are crucial.
Interior Components: For securing seats, cabinets, and other interior elements. They provide a balance between security and ease of maintenance.

3. Machinery and Equipment

Industrial Machines: In conveyor systems, robotic arms, and other machinery. The spring - loaded mechanism compensates for wear and tear and keeps parts aligned.
Power Tools: Some power tools use these pins for attaching accessories like blades or drill bits, ensuring a firm grip during operation.

4. Furniture Manufacturing

Portable Furniture: For folding chairs, tables, etc. They allow for easy assembly and disassembly while keeping the parts together during use.
Cabinet Construction: In the assembly of cabinets, they can be used to attach doors and drawers securely.

5. Marine Applications

Boat Building: In the construction of boats, they are used for attaching deck equipment, such as winches and cleats. The corrosion - resistant coatings on some pins make them suitable for the marine environment.

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