High Security Threaded Extension Lock

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The Medeco High Security Threaded Extension Lock features a 5/16 – 18” threaded shaft and can be purchased in a variety of lengths. Applications include vending, laundry, cash boxes, and car washes. Hardened steel inserts protect against vandalism.


Medeco offers a threaded extension lock that can be used in laundry, vending or a variety of other applications. All models feature hardened steel inserts that protect against drilling and other vandal attacks on the cylinder. In addition to excellent protection against physical attack, Medeco features patented key control and pin tumblers that must elevate, rotate and align perfectly with the cylinder’s sidebar, giving you double protection against picking.

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