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The SARGENT 6251CTL is a 6-pin temporary construction removable core control key designed for use during the construction phase of a building project. It operates within SARGENT removable core cylinder systems, allowing contractors to use a common construction key before the facility is turned over to the owner and the cores are reconfigured for permanent keying. The 6251CTL is a controlled key product, distributed exclusively through authorized channels, which supports geographical protection programs for high-security keying systems. Locksmiths, security hardware contractors, and facility managers are the primary users of this key.
This key is used in commercial and institutional construction projects where temporary access control is required across multiple doors during the build-out phase. Once construction is complete, the removable cores are swapped out and the construction key is rendered inoperative, eliminating the need to rekey cylinders. Compatible cylinder series information is confirmed in the specifications section below. It is well-suited for general contractors, security integrators, and institutional facility teams managing new construction or major renovation projects.
Compatible with SARGENT 64-, 11-64, DG1-64, DG2-64, and DG3-64 series removable core cylinders. These include mortise, rim, and component cylinder formats within the SARGENT large format interchangeable core product line.
Installation and use of construction keying systems should be handled by a licensed locksmith or credentialed security hardware professional. Before transitioning from construction keying to permanent keying, ensure all temporary cores are accounted for and replaced according to the project keying schedule. Store construction keys securely and limit distribution to authorized personnel only to maintain site security. Consult SARGENT keying documentation and your authorized distributor for core removal and replacement procedures specific to the cylinder series in use.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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