●A blind rivet allows a component to be connected with the base material that cannot be worked from the back side, tightly closed thin sheets, etc.●Vibration does not loosen rivets unlike screws.●Trucks, buses, insulated car panels, trains, water motorbike, household appliances, lighting fixtures, steel furniture, etc.●Sashes, doors, verandas, shutters, signboards, stepladders, kitchen equipment, etc.●Caulking Board Thickness (mm):3.2 to 4.8●Rivet Length (mm):8.2●Flange Diameter (mm):8.0●Rivet Diameter (mm):4.0●Pilot Hole Diameter (mm):4.1●Shear Load (N):1420●Tensile Load (N):2250●Packaged in a pack●Rivet body(flange): Aluminum(A5052)●Mandrel(shaft): Steel(carbon steel)