Copper Alloy Rivets Base & Screws for Leather Craft DIY – 4/7/9/12mm

No press required. Punch a hole in your material slightly smaller than the post diameter, push the post through from the front, then screw the cap onto the back using a standard screwdriver or your fingers. Tighten until snug. For very dense leather, a small awl or hole punch helps create a clean starting hole.

For belts up to 4mm thick, the 3×7mm or 3×9mm posts typically work well. For thinner items like wallets or light garments, 3×4mm is usually sufficient. For heavy-duty layered leather (e.g., thick straps or harnesses), the 3×12mm or longer double-ended options provide more thread engagement. When in doubt, order a small quantity first to test on your specific material.

No. The copper alloy construction is anti-corrosion and anti-oxidation. Unlike standard iron or steel rivets, these won't rust in humid conditions or after washing. The finish stays clean and won't leave green marks on leather or fabric under normal use conditions.

The double-ended screw variants (3×12mm, 3×18.5mm, 3×23mm Silver) have threaded posts on both ends, allowing them to connect two layers or be used as standoffs between materials. They're useful for thicker leather stacks or decorative spacer applications where a standard single-end post would be too short.

Yes — because they screw together rather than being crushed, you can unscrew them carefully to reposition or replace. Repeated screwing and unscrewing may gradually wear the threads, so for permanent installations, tighten once and leave them. For prototyping or adjustable work, they hold up well through several cycles.

Yes. These work on denim, canvas, vinyl, faux leather, and most woven fabrics. For very loose-weave or thin fabrics, reinforce the hole area with a small backing patch (leather scrap or interfacing) to prevent the post from pulling through under stress.

All packs contain the same rivets — the quantity options let you buy exactly what your project needs. The 2-pack is ideal for sampling a size or finish before committing. The 50 and 100-pack options offer better per-piece value for larger projects or ongoing production work.

All finishes are applied to the same copper alloy base, so core durability is consistent across colors. The Natural finish shows the raw copper alloy tone and will develop a patina over time. Gun Black and Bronze are surface-treated for a darker aged look. Gold and Light Gold have a polished metallic appearance. All finishes are non-fading under normal indoor use conditions.