Richelieu 4040TFB17 Ball Knobs - Maxwell Series offer a refined touch to any hinge door with their sleek flat black finish. Constructed with a galvanized all-steel interior mechanism, these knobs are designed for durability and long-lasting performance. Installation is straightforward, thanks to the included template, allowing for a hassle-free setup that fits standard 2-1/8" (55 mm) cross bore 161 door prep, conforming to ANSI 115.2 standards. These dummy ball knobs feature a versatile design, suitable for reversible left or right handing, making them adaptable for various door configurations. With a diameter of 2-9/16 inches and a projection of 2-1/2 inches, they provide a comfortable grip while enhancing the aesthetic of your doors. The knobs are compatible with keyed alike systems, offering an added level of convenience. Backed by a 5-year limited warranty on finishes and a 25-year mechanical warranty, Richelieu ensures that their Maxwell Series knobs are built to last. Ideal for doors with a thickness of 1-3/8 to 1-3/4 inches and a backset of 2-3/8 to 2-3/4 inches, these ball knobs not only deliver functionality but also elevate the overall design of any space.
Ball Knobs - Maxwell Series
Backset: 2 3/8 to 2 3/4 in
Brand: Onward
Color/ Finish: Flat Black
Diameter: 2 9/16 in
Door Thickness: 1 3/8 to 1 3/4 in
Fire- Rating: Available upon request. Fall 2025
Function: Dummy
Grade: 3
Handing Position / Opening Side: Reversible for Left or Right
Keyed Alike: Compatible
Latch: Dummy
Material: Steel
Product #: 4040TFB17
Projection: 2 1/2 in
Screw: Included
Screw/ Nail: Included
Standards and Certifications: ANSI A156.2-2003
Style: Ball Knobs
Usage: Hinge Door
