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What is the Difference Between Solid Rivets and Hollow Rivets

Datatime: 5/20/2025 9:42:00 AM   Visit: 140

Rivets are mechanical fasteners used to join materials by deforming their ends, creating a permanent bond. Two common types are solid rivets and hollow rivets, which differ significantly in structure, applications, and installation methods. Below is a detailed comparison:

 

1. Definition

Solid Rivets
Solid rivets are single-piece fasteners with a solid cylindrical shank and a pre-formed head (e.g., round, flat, or countersunk). They are made from durable materials like steel, aluminum, or copper, designed to withstand high stress.


Hollow Rivets
Hollow rivets have a cylindrical shank with a hollow (tubular) interior and a pre-formed head. They are typically made from softer materials such as aluminum, brass, or copper, offering flexibility and ease of deformation during installation.
 

2. Structural Differences

Feature Solid Rivets Hollow Rivets
Core Structure Entirely solid; no internal cavity. Hollow/tubular shank with a central hole.
Material Harder metals (e.g., carbon steel, stainless steel) for high strength. Softer metals (e.g., aluminum, copper) for easy crimping.
Head Types Common heads: round, flat, countersunk, or brazier heads. Similar head types but often thinner walls due to the hollow shank.
Weight Heavier due to solid construction. Lighter due to the hollow design.

 

3. Applications

Solid Rivets
Heavy-Duty Uses: Ideal for applications requiring high tensile and shear strength, such as:

Structural steelwork (bridges, buildings).
Aerospace and aircraft manufacturing (airframes, engines).
Marine engineering (ship hulls, rigging).
Automotive chassis and heavy machinery.
Key Advantage: Provide permanent, robust joints in load-bearing structures.


Hollow Rivets
Light-Duty Uses: Suitable for non-critical, low-stress applications, such as:

Electronics (securing panels, casings).
Sheet metal assembly (e.g., automotive body panels, appliances).
Leather goods, clothing, and accessories (e.g., belts, bags).
Plastics and thin materials (e.g., signs, lightweight fixtures).
Key Advantage: Easy to install in thin or delicate materials without causing damage.

 

4. Installation Differences

Solid rivets: need to be operated on both sides, with the help of rivet guns, presses and other tools, high impact force or pressure is applied to the tail to make it rough and deform, forming a double-headed connection with equal strength.

Hollow rivets: can be operated on one side (such as blind rivets, the core rod is pulled off by the rivet gun to expand the hollow sleeve), and the hollow end is crimped with a light tool to expand or flanging to fix the workpiece.

 

5. Key Takeaways

Strength vs. Convenience:

Solid rivets prioritize strength and durability for heavy loads but require two-sided access and more force to install.
Hollow rivets prioritize ease of installation and lightness for non-critical joints, often enabling single-sided assembly.


Material Compatibility:

Solid rivets excel in rigid, thick materials.
Hollow rivets are ideal for thin sheets, soft materials, or applications where weight is a concern.

 

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