Based on this product's specifications, here are some alternatives and similar models
Blind rivet GESIPA 4x8 mm countersunk head KS for 3.0–5.0 mm materials, pack of 500
Summary description:
Blind rivets GESIPA 4x8 mm with a countersunk (KS) head, suitable for joining materials with total grip thickness from 3.0 to 5.0 mm. Supplied in a pack of 500, these rivets are designed for permanent, vibration-resistant fastening where access is only available from one side. Use for sheet metal, panels and light structural assemblies requiring a flush finish.