77PCS Carbon Steel Rivnut Kit - Rivet Nut Mandrel Set M3-M12 USA

【Complete M3 M12 Metric Rivet Nut Set – 77PCS Total】
This all in onerivet nut kitincludes 77 pieces covering common metric sizes from M3 up to M12, with matching mandrels and rivet nuts for each thread. Whether you need M4, M6, M8, or M10, thismandrel setensures you always have the right size on hand for fastening sheet metal, pipes, and thin materials—eliminating guesswork and multiple orders.

【Durable Carbon Steel Construction】
Crafted from hardened carbon steel, the mandrels and accessories in thisrivet nut toolset are built for regular workshop use, repeated installations, and reliable replacements. The robust material resists wear and deformation, giving you long lasting performance whether you’re doing daily repairs or heavy duty assembly tasks.

【Works with Hand Riveters & Drill Operated Tools】
These mandrels are designed to becompatible with most hand riveters, manual rivet nut guns, and suitable drill operated setups. Simply thread the hex head onto your tool—use a wrench for hand operation or attach to an electric drill for faster, power assisted pressing. This flexibility makes the set ideal for both quick fixes and high volume production work.

【Versatile for Repair, Assembly & Maintenance】
Fromautomotive repairand furniture assembly to metalworking, equipment maintenance, home improvement, and workshop projects, thisthreaded rivet nut setcovers it all. Use it to attach brackets, panels, and structural components in construction, farming machinery, electromechanical installations—anywhere a strong, reusable threaded hole is needed in thin gauge materials.

【Complete Accessory Set – Ready to Use】
This 77 piece package includes not only the mandrel accessories but also matching rivet nuts for each size, so you get everything you need in one box.Please check your tool type and mandrel thread size before ordering, as this is an accessory kit (not a complete riveter tool). With the right sizes and durable build, thisrivnut mandrel assortmentensures smooth, efficient fastening for all your projects.