The Cal-Royal 7503US5 has been discontinued
** See similar or replacement items below **
Cal-Royal Columbus Collection Light Duty Classroom Function Door Knob Set
Model: 7503US5|Item: bci585750
Discontinued
We still have product details and accessories, scroll down to see them!
Discontinued
We still have product details and accessories, scroll down to see them!
Details
Columbus Series Light Duty Classroom Function Door Knob Set
The Columbus 7503 classroom knob set has a deadlocking latch bolt operated by knob from either side except when the outside knob is locked from the outside by a key. When the outside knob is locked, the latch bolt is operated by turning the inside knob for panic-proof egress. 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.
Features:
- 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
Specifications:
- 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.
Dimensions and Measurements
Backset | 2-3/4", 2-3/8" |
Cross Bore | 2-1/8" |
Door Thickness | 1-1/2", 1-3/4", 1-3/8", 1-5/8" |
Edge Bore | 1" |
Knob Diameter | 2 in. |
Projection | 2.625 in. |
Rose Diameter | 2.75 in. |
Dimensions and Measurements
Backset | 2-3/4", 2-3/8" |
Cross Bore | 2-1/8" |
Door Thickness | 1-1/2", 1-3/4", 1-3/8", 1-5/8" |
Edge Bore | 1" |
Knob Diameter | 2 in. |
Projection | 2.625 in. |
Rose Diameter | 2.75 in. |
Characteristics and Features
Cylinder | 6 Pin C |
Function | Classroom, Keyed Entry |
Handing | Left, Reversible, Right |
Handle Material | Metal |
Handle Style | Knob |
Interconnected | No |
Knob Shape | Ball |
Latch Faceplate | Square Corner |
Material | Brass, Bronze, Steel |
Number of Keys | 2 |
Panic Proof | Yes |
Shape | Round |
Theme | Transitional |
Characteristics and Features
Cylinder | 6 Pin C |
Function | Classroom, Keyed Entry |
Handing | Left, Reversible, Right |
Handle Material | Metal |
Handle Style | Knob |
Interconnected | No |
Knob Shape | Ball |
Latch Faceplate | Square Corner |
Material | Brass, Bronze, Steel |
Number of Keys | 2 |
Panic Proof | Yes |
Shape | Round |
Theme | Transitional |
Warranty and Product Information
ANSI Certification | A156.2 |
Approved for Commercial Use | Yes |
BHMA Certification | Grade 3 |
Collection | Columbus |
Manufacturer Warranty | Limited Lifetime |
Warranty and Product Information
ANSI Certification | A156.2 |
Approved for Commercial Use | Yes |
BHMA Certification | Grade 3 |
Collection | Columbus |
Manufacturer Warranty | Limited Lifetime |