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The Bolt Foundry was a massive factory on Fort Sprocket where all the bolts in the galaxy were made. During the events of Secret Agent Clank, Klunk (disguised as The Kingpin) invaded the Bolt Foundry in order to achieve the funds needed to built his satellite. The Bolt Foundry was filled with Doppelgangers, that managed to infiltrate the Bolt Vault and prepare a trap for Clank.
- Secret Agent Clank (first appearance)