Columbus Series Light Duty Entrance/Office Function Door Knob Set
The Columbus 7500 features Turn/Push button locking. Pushing and turning button will lock the outside knob requiring use of key until button is manually unlocked. Pushing the button only will lock the outside knob until unlocked with key or inside knob is turned. The Columbus series has positive spring catch to keep knob from slipping off or being pulled off, heavy gauge cold rolled steel internal mechanism and 2-3/8" to 2-3/4" adjustable backset.
- Positive Spring Catch Prevents Knob Slipping or Being Pulled Off
- Concealed Screw Mounting
- 2-1/8" Cylindrical Housing for Strength and Durability
- Threaded Outside Rose
- Heavy Gauge Cold Rolled Steel Internal Mechanism
- ANSI A156.2
- Grade 3
- Adjustable 2-3/8" to 2-3/4" Backset
- Guard Bolt Deadlocks Latch Bolt Automatically
- 6 Pin Solid Brass "C" Keyway
- Knob Diameter: 2"
- Knob Projection: 2-5/8"
- Rose Diameter: 2-3/4"
- Door Thickness: 1-3/8" to 1-3/4"
- Standard Backset: 2-3/8" to 2-3/4" Adjustable
- Crossbore: 2-1/8"
- Edgebore: 1"
- Faceplate: 2-1/4" x 1-1/8"
- T Strike
Cal-Royal has focused on providing "Innovative and Value Added" hardware products and accessories to the builders industry since 1983. In accepting this charter, Cal-Royal has continued to be the leader in import hardware. Their product offering is designed to comply with the Americans with Disabilities Act (ADA) and to encompass all levels of ANSI classification, Grades 1, 2 and 3 as well as UL requirements. They offer a complete line of mortise locks, exit devices, door closers, hinges and many other hardware and trim products.
Additional Cal-Royal Links
Our SKU: Cal-Royal 7500
This product is listed under the following manufacturer number(s):
- Cal-Royal 7500US5
- Cal-Royal 750010B
Oil Rubbed Bronze
- Cal-Royal 75003
- Cal-Royal 7500US32D
Satin Stainless Steel
*Denotes a finish or option that has been discontinued
|Approved for Commercial Use||Yes|
|BHMA Certification||Grade 3|
|Cylinder||6 Pin C|
|Door Thickness||1-1/2", 1-3/4", 1-3/8", 1-5/8"|
|Handing||Left, Reversible, Right|
|Latch Faceplate||Square Corner|
|Manufacturer Warranty||Lifetime Limited|
|Material||Brass, Bronze, Steel|
|Number of Keys||2|