Kwikset 300T5-6ALRCS Privacy Door Knob Adjustable Latch

Product Description

The KWIKSET 300T5-6ALRCS is a traditional-style privacy door knob designed for interior doors where a simple push-button or turn-button lock is required without a keyed entry. The knob features a 6-way adjustable latch that accommodates both 2-3/8 inch and 2-3/4 inch backsets, making it adaptable to a wide range of existing door preparations. Finished in 609/US5 Antique Brass, it fits doors between 1-3/8 inch and 1-3/4 inch thick. Installation is straightforward and suited to residential remodel, new construction, and light commercial interior applications. A licensed carpenter, general contractor, or experienced handyman typically handles this type of hardware.

This privacy knob is intended for interior rooms such as bedrooms and bathrooms where one-sided locking is needed. The traditional style suits colonial, craftsman, and transitional residential interiors. The adjustable latch eliminates the need to stock separate 2-3/8 inch or 2-3/4 inch backset units, which simplifies service calls and multi-unit installs. The 2-1/8 inch cross bore requirement follows standard door prep dimensions common in residential construction.

Key Features

• 6-way adjustable latch accepts both 2-3/8 inch and 2-3/4 inch backset in a single unit
• ANSI Grade 3 rating appropriate for residential interior privacy applications
• Fits doors from 1-3/8 inch to 1-3/4 inch thick
• Traditional style in 609/US5 Antique Brass finish
• Requires standard 2-1/8 inch cross bore - no special door prep needed
• Privacy function: locks from inside without a key

Compatibility

Designed as an OEM-style replacement or new-install privacy knob for standard residential interior doors with a 2-1/8 inch cross bore and a door thickness between 1-3/8 inch and 1-3/4 inch.

Installation Notes

Power tools are not required for basic installation, though a screwdriver and a latch-hole chisel are commonly used. Verify the existing cross bore measures 2-1/8 inch before installation. Remove and fully install hardware before testing the latch operation to confirm backset alignment. This knob is not ADA compliant and should not be used as a primary means of egress hardware where code requires a lever-style operable part.