The Kwikset 258MDT Midtown low-profile single cylinder deadbolt is designed for exterior entry doors requiring keyed deadbolt security.

A key operates the exterior cylinder and an interior thumbturn operates the deadbolt from inside. The verified keying configuration is smartkey security.

Product Details

• Manufacturer part number: 258MDT
• Function: Low-Profile Single Cylinder Deadbolt
• Application: Exterior entry doors requiring keyed deadbolt security
• Operation: A key operates the exterior cylinder and an interior thumbturn operates the deadbolt from inside
• Keying: SmartKey Security
• Design / family: Midtown
• Series: Signature Series
• Backset: 2-3/8 or 2-3/4
• Door thickness: 1-3/8 to 1-3/4
• Cross bore: 2-1/8 or 1-1/2 Bore
• Published certification / grade: Grade 1
• Published dimensions: 2-11/16 with 1/2 Exterior Projection and 1-7/16 Interior Projection

Included and configuration: Single-cylinder deadbolt assembly with exterior cylinder and interior thumbturn; latch, strike and keys follow the selected SKU.

Compatibility: Confirm door preparation, backset, thickness, latch, strike, keyway and exact SKU requirements before ordering.

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