Home / Locks / Deadbolt [Hercular] Deadbolt [Hercular] • Comes in both double and single cylinders. • Bump and drill resistant. • Resistant to chemicals. • Highly force resistant. Category: Locks Tag: Cylinders Product ID: 1355 Related products Cylinder Locks Access ControlENTR™ Door Unit PadlocksRound Padlock Access ControlCode-It® Electronic Security Handle