Richelieu 4040TSN51 Ball Knobs - Maxwell Series offer a blend of durability and style, making them an ideal choice for both residential and commercial applications. Designed with a galvanized all-steel interior mechanism, these knobs ensure long-lasting performance and reliability. Their satin nickel finish provides a modern and polished look, complementing various décor styles while resisting wear over time. Installation is straightforward, thanks to the included template, which makes fitting the knobs into standard 2-1/8" (55 mm) cross bore 161 door prep a breeze. The knobs accommodate a backset of 2 3/8" to 2 3/4", with compatibility for doors ranging from 1 3/8" to 1 3/4" thick. The reversible handing position allows for flexibility in installation on either left or right-opening doors. With a 4-way removable latch plate, the 4040TSN51 is designed for entrance function, providing secure and easy access. It is ANSI A156.2-2003 certified, ensuring compliance with industry standards. Backed by a 5-year limited warranty on finishes and a 25-year mechanical warranty, you can trust in the quality and performance of Richelieu's Maxwell Series Ball Knobs for your next project.
Ball Knobs - Maxwell Series
Backset: 2 3/8 to 2 3/4 in
Brand: Onward
Color/ Finish: Satin Nickel
Diameter: 2 9/16 in
Door Thickness: 1 3/8 to 1 3/4 in
Door Type: Wood
Drilling Diameter: 1 in
Fire- Rating: Available upon request. Fall 2025
Function: Entrance
Grade: 3
Handing Position / Opening Side: Reversible for Left or Right
Keyed Alike: Compatible
Keys: Keyable
Latch: 4-Way Latch (Removable Latch Plate)
Level: Grade 3
Manufacturing Material: Steel
Material: Steel
Product #: 4040TSN51
Product number: 4040TSN51
Product №: 4040TSN51
Projection: 2 1/2 in
Screw: Included
Screw/ Nail: Included
Standards and Certifications: ANSI A156.2-2003
Style: Ball Knobs
Unit 1: case - 20
Usage: Hinge Door
Weight: 0.44 lb
