JRP Riveting Products M10 x 24.0 (3.5-6.5) Aluminium Countersunk Head Round Knurled Body Open Rivet Nuts (Box of 100)The JRP Riveting Products M10 x 24. 0 Aluminium Countersunk Head Round Knurled Body Open Rivet Nuts are designed for secure fastening in lightweight applications. These rivet nuts provide a strong hold while being easy to install. High Quality Aluminium Construction for Durability Designed for M10 Threads, Suitable for Various Projects Knurled Body for Enhanced Grip and Stability Open Design Allows for Easy Installation and Removal Ideal for Use in