How do I know what cylinder lock I need?
Single Sided Profile Cylinder Yale Keyway US4 with Thumb Turn
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Open Jul 21, 2026 - 02:45 PM
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Answer
Jul 21, 2026 - 02:45 PM
To determine which cylinder lock you need, consider the type of door (e.g., wooden, metal, uPVC), the required security level, and the size of the existing lock cylinder (measured from the center of the screw hole to each end). Also, check whether you need a single, double, or thumb-turn cylinder based on how you want the lock to operate.
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Single Sided Profile Cylinder Yale Keyway US4 with Thumb Turn
The US4 Single-Sided with Thumb Turn, Euro Profile Cylinder, featuring the Yale Y1 Keyway, is crafted from solid brass and is tailored to fit the precise pinning requirements of Yale systems. It is specially designed for Euro Profile locks and is a 5-pin cylinder, compatible with the Y1 key. Comes w...
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