Aluminum Alloy Rivnut Flat Head Threaded Rivet Insert Nutsert Cap Rivet Nuts in M3, M4, M5, M6, M8, M10, M12 Sizes – 20, 50, or 100-Piece Sets for Secure Fastening Solutions

Upgrade your assembly projects with high-quality aluminum alloy rivnuts designed for durable, permanent fastening. These flat-head threaded rivet inserts feature a sleek, low-profile design that fits seamlessly into thin materials like sheet metal, plastic, and wood. Available in multiple sizes (M3, M4, M5, M6, M8, M10, M12) and pack quantities (20, 50, or 100 pieces), they offer versatile use across DIY repairs, automotive modifications, furniture assembly, and industrial applications. The precision-engineered threads provide strong grip and resistance to vibration, ensuring long-lasting performance. Easy to install with standard tools, these rivet nuts are ideal for creating reliable threaded holes without the need for welding or drilling oversized holes.