Grade 3 Deadbolt, Single Cylinder

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The best of both worlds: Timeless styling and reliable security come together in this single cylinder deadbolt. Single cylinder deadbolts are keyed only on the exterior with an ass ociated thumb turn on the inside that can quickly and easily lock or unlock the mechanism. These single-cylinder locks are most commonly used in residential locations due to their improved safety and ease of use. This hardware fits doors from 1-3/8 inches to 1-3/4 inches thick and features an adjustable backset of 2-3/8 inches or 2-3/4 inches. These deadbolts meet A156.2 Grade 3 requirements. Available in KW, SC or WS keyway. Show more