Best Leather Rivets and Setters for Beginners

Double-cap rivets have a finished cap on both faces, so they look clean from the front and the back. That makes them the default for anything visible from both sides, like a bag strap or a keeper loop. Single cap rivets (often sold as rapid rivets) finish only on one side; the back is a flat burr or a plain post. They are fine where one face is hidden or sits against something, and they set a hair faster.

Rapid rivets are the ones most beginners meet first because they come in cheap assortment kits. They work, but the plating is often thin and the caps can pop loose if the post is too long. If a joint carries load or shows on both sides, reach for a double-cap.

A Chicago screw (also called a screw post or sex bolt) is two pieces: a hollow post and a screw that threads into it, sandwiching the leather. Unlike a rivet, you can back it out with a coin or flat screwdriver, which makes it the right choice for anything you want to service or adjust, such as removable belt ends, holster straps, or watch bands.

Chicago screws leather joints are slightly less shear-strong than a well-set rivet and can loosen with vibration, so add a drop of thread-locker on the threads for hardware that moves. Post lengths work just like rivets: measure your stack and pick a post that leaves only a thread or two showing before the screw seats.

This is the single most important sizing decision. A post that is too long leaves the cap floating and wobbly; too short and the cap will not seat or the post crushes the leather. As a rough rule, the exposed post above the leather should be about half to two-thirds the diameter of the cap, so the cap folds over and grips without a gap.

Measure the total thickness of every layer you are joining, then add that small allowance. Our rivet and Chicago screw calculator does this for you: enter your stack thickness and it returns a post length range. If you are planning a build with multiple layered parts, the leather project calculator helps you nail the stack thickness before you buy hardware.

A rivet needs a setter (a concave punch that shapes the cap) and an anvil (a small steel block with a domed and a flat depression to cradle the opposite cap). Match the setter to the rivet's cap size; a mismatched setter flattens or splits caps. Hand setters are inexpensive and fine for occasional work; a bench press with dies is worth it once you are setting dozens at a time.

Set on something genuinely hard. A steel bench block or a small anvil transmits the blow; a wooden benchtop or a cutting mat absorbs it and gives you loose, half-formed caps. Two or three firm hammer strikes beat a dozen timid taps. For punching the hole first, a rotary or drive punch keeps the hole round and snug, which stops the post from wandering. See our roundups of a leather hole punch set and rivets and setters if you are building the kit from scratch.

Solid brass (or solid copper, or stainless) rivets are the same metal all the way through, so a scratch or a set that shaves the cap will not reveal a different color underneath. They cost more but age gracefully and resist corrosion, which matters for anything outdoors or against skin. Plated rivets are steel or zinc with a thin brass, nickel, or black finish; they look identical out of the packet but can rust or flake where the setter marks them.

For learning and prototypes, plated rapid rivets are fine. For a finished piece you want to hand over or sell, solid hardware is the honest choice. Match the metal to your other fittings, buckles, snaps, and D-rings, so the piece reads as one set rather than a parts-bin build.