What this product does High-quality 304 stainless steel round-head rivets in common metric sizes (M2, M2.5, M3, M4, M5, M6, M8) for secure, long-lasting fastening in industrial and DIY projects. Key benefits — why you need them Reliable permanent joints: the solid self-locking design creates secure connections that resist loosening over time. Corrosion-resistant strength: stainless steel 304 offers good tensile strength and corrosion resistance for indoor and many outdoor applications. Consistent quality: manufactured to GB867 standard to ensure dimensional accuracy and predictable performance across batches. Broad compatibility: seven common sizes cover a wide range of materials and thicknesses, reducing the need to source multiple specialty fasteners. Important attributes Sizes: M2, M2.5, M3, M4, M5, M6, M8. Material: Stainless steel 304. Head type: Round head for smooth finish and larger bearing surface. Standard: Conforms to GB867. Design: Solid self-locking construction for vibration resistance and lasting hold. Typical applications (practical examples) Automotive trim and interior panels: fasten lightweight brackets, trim pieces, and liners where vibration resistance is required. Metalwork and HVAC: secure sheet metal seams, ducting, and small enclosures with corrosion-resistant joints. Home and workshop projects: furniture repairs, appliance housings, and DIY metal assemblies that need a neat round-head finish and dependable fastening. Quick buying note Choose the size that matches your hole diameter and material thickness. These rivets are intended for applications calling for a round-head, self-locking stainless fastener made to GB867 specifications.