Description
Double Cap Rivets 9mm x 12mm Brass
These Brass Double Cap Rivets are a versatile way to secure, reinforce or decorate bag making projects. They feature a 9mm cap diameter and 12mm post length, with a rounded cap on both sides.
Understanding Rivet Size
- 9mm – visible cap diameter
- 12mm – post length
The cap diameter determines the setting die size; the post length needs to suit the total thickness of the materials being joined. Use a 9mm Double Cap Rivet Die Set with the KAM DK93 Hand Press.
Choosing the Right Post Length
The post needs enough length to pass through all project layers and connect with the second cap. A post that is too short may not connect securely with the second cap, while an excessively long post can bend or set unevenly. Test on an offcut using the same materials and layers first.
Perfect for Bag Making Projects
- Crossbody and shoulder straps
- Wristlet straps
- Bag handles
- Strap tabs and connectors
- D ring and swivel clip tabs
- Pockets, wallets and small accessories
- Decorative rivet details
Choose Your Materials
Use these rivets with straps and tabs made from fabric, vinyl faux leather or webbing, choosing the post length to suit the complete stack of folded layers. The 12mm post is a longer option in the range; it does not mean your materials should measure exactly 12mm thick.
Preparing the Rivet Hole
A 2mm hole is a useful starting point for many bag making materials. Choose the hole size to suit the rivet post, not the 9mm cap diameter, and test the fit on an offcut before making holes in your project.
How to Set Double Cap Rivets
Helpful Tip from Chris
Reinforce straps, handles and hardware attachment points so the rivet is supported by the structure of the project. Test the same material layers, hole size and post length before setting your finished project.
Product Details
- Cap diameter: 9mm
- Post length: 12mm
- Finish: Brass
- Quantity: 25 rivets per pack
- Includes 25 posts and 25 matching caps
- Compatible setting die: 9mm












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