Features:
1) Materials: aluminum rivet with steel mandrel
2) Standards: IFI-114 and DIN 7337
3) Diameter: 1/8 ~ 3/16" (3.2 ~ 4.8mm)
4) Designed to enclose the mandrel head after fastening and are suitable for
many applications asking for waterproof
5) Provides a high shear, vibration resistance and pressure tight