Single cap rivets have a single cap on one end of the rivet, while double cap rivets have a cap on both ends. Single cap rivets are often used where only one side of the rivet needs to be finished, like on belts or trunks, while double cap rivets provide a finished look on both sides, making them suitable for applications like tote straps or backpacks.
Single Cap Rivets (also called rapid or speed rivets):
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Consist of two parts: a cap and a post.
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The post is a hollow tube with a circular attachment at one end; the cap fits onto the end of the post.
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When installed, they have a finished cap on one side and a flattened post end on the other side.
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They are simpler, cheaper, and more versatile, commonly used in leathercraft projects where only one side of the rivet needs to be decorative or visible.
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Suitable for lightweight leather items like wallets, belts, and accessories.
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Installation involves compressing the post and cap together, typically with a manual die set, rivet setting tool, or hammer and anvil.
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Provide a secure fastening without drawing too much attention to the hardware.
Double Cap Rivets:
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Also consist of two parts: a post with a cap already attached and a separate second cap.
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Have a finished cap on both sides of the leather, making both sides visually appealing.
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More heavy-duty and slightly more expensive than single cap rivets.
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Often used where both sides of the rivet are visible and a polished appearance is desired, such as on dog collars, bags, or hardware attachments.
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The post end expands and mushrooms out inside the second cap, creating a strong hold.
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Can be set using a rivet setting tool, hammer and anvil, or industrial hand-press.
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Provide a more aesthetically pleasing and durable fastening, suitable for securing multiple layers or attaching hardware like clasps and buckles.
In summary, single cap rivets have a cap on only one side and a flattened post on the other, making them simpler and more minimalistic, while double cap rivets have caps on both sides, offering a more finished look and stronger hold, especially when both sides are visible or for heavier-duty applications
