Emtek 5123ROUUS19.RLS Round Knob Keyed Entry Flat Black

Product Description

The EMTEK 5123ROUUS19.RLS is a keyed entry knob set designed for residential door hardware applications. It ships with both 2-3/8 inch and 2-3/4 inch backset options, accommodating the two most common door prep sizes found in residential construction. The set includes a round knob paired with a modern rectangular rose and a radius latch strike. Finished in flat black, it suits contemporary and transitional interior styles. Installation is suited for door thicknesses ranging from 1-3/8 inches to 2-1/16 inches, covering standard interior and light exterior door stock. The complete assembly is custom-configured and ships as a single unit.

This keyed entry set is intended for residential exterior or interior doors where a lockable passage is required. The round knob profile and modern rectangular rose are appropriate for updated residential builds, remodels, and design-forward renovation projects. The flat black finish coordinates with contemporary fixture packages. Door prep compatibility with both standard 2-3/8 inch and 2-3/4 inch backsets makes it a flexible choice across a wide range of door brands and pre-hung assemblies. A finish carpenter, general contractor, or experienced DIYer typically handles installation.

Key Features

• Accepts both 2-3/8 inch and 2-3/4 inch backsets for broad door prep compatibility
• Fits door thicknesses from 1-3/8 inches to 2-1/16 inches
• Includes radius latch strike for clean, standard mortise fitment
• Modern rectangular rose pairs with round knob for a contemporary profile
• Flat black finish for use in modern and transitional design schemes
• Keyed entry function suitable for lockable residential door applications

Compatibility

Designed as an OEM-style keyed entry replacement or new-installation set for standard residential doors with a 2-3/8 inch or 2-3/4 inch backset prep and door thicknesses between 1-3/8 inches and 2-1/16 inches.

Installation Notes

Installation is typically performed by a finish carpenter, locksmith, or qualified general contractor. Power down any associated electronic access control before servicing the door hardware. Verify door thickness and backset measurement before installation to select the correct latch configuration. Follow local building codes for keyed entry hardware on egress doors, and ensure the latch and strike are properly aligned before final fastening.