Emtek 8423US19 Modern Disc Single Cylinder Deadbolt Flat Black

Product Description

The EMTEK 8423US19 is a single cylinder deadbolt designed for residential entry doors. It features a modern disc trim style and ships in a flat black finish. The deadbolt accommodates two standard backset options — 2-3/8 inches and 2-3/4 inches — making it compatible with the most common door prep configurations. It is sized for 1-3/4 inch thick doors, which is the standard thickness for exterior residential entry doors. Installation is handled by locksmiths, carpenters, and general contractors during new construction or hardware replacement projects. The unit ships as a single assembly and weighs 2.35 pounds.

This deadbolt is suited for residential exterior door applications where a clean, modern aesthetic is required. The disc-style trim is a minimalist design that pairs well with contemporary and transitional door hardware schemes. The flat black finish coordinates with a wide range of door styles and architectural hardware. The dual backset compatibility means the same unit works on doors prepped at either 2-3/8 inches or 2-3/4 inches from the edge, reducing the need to stock multiple SKUs for different door preps.

Key Features

• Single cylinder deadbolt operation — keyed exterior, thumb turn interior
• Modern disc trim style in flat black (US19) finish
• Dual backset compatibility: 2-3/8 inches and 2-3/4 inches
• Designed for 1-3/4 inch thick exterior doors
• Sold as a single unit (EA); case quantity of 12 available

Compatibility

Designed as an OEM-style replacement or new-installation deadbolt for standard residential exterior doors prepped at 2-3/8 inch or 2-3/4 inch backset with a 1-3/4 inch door thickness.

Installation Notes

Installation is performed by a licensed locksmith or qualified carpenter. Power down any associated electronic access control systems before beginning work. Follow door manufacturer prep specifications for bore hole diameter and backset measurement before mounting the deadbolt. Consult local building codes for egress and security hardware requirements on exterior doors.