Brass Rotary Knob Door Lock Cylinder | Interior Door Core
Brass Rotary Knob Door Lock Cylinder | Interior Door Core
Brass Rotary Knob Door Lock Cylinder – Interior Door Replacement Core
Upgrade your interior doors with the T30 Brass Rotary Knob Eccentric Lock Cylinder — a premium single-unlocking replacement core crafted from solid brass. Ideal for bedroom and interior doors, this lock cylinder combines a smooth eccentric rotary knob design with a brushed finish for both reliable function and refined style.
Key Features
- Solid Brass Construction: Made from high-quality brass for lasting durability and resistance to everyday wear.
- Eccentric Rotary Knob Design: The off-center knob mechanism ensures smooth, effortless operation every time you lock or unlock your door.
- Single Unlocking Core: A straightforward yet highly effective locking mechanism — simple to use and easy to install as a replacement.
- Brushed Surface Finish: The sophisticated brushed finish adds a touch of elegance to any interior door, complementing a wide range of décor styles.
- Keys Included: Comes with keys right out of the box — ready to install with no extra purchases needed.
- Bedroom & Interior Door Application: Specifically designed for bedroom and interior doors, ensuring a seamless fit and secure performance.
- Direct Replacement Core: Engineered as a drop-in replacement core, making upgrades or repairs quick and hassle-free.
Product Specifications
| Material | Brass |
| Surface Finish | Brushed |
| Lock Type | Single Unlocking Eccentric Rotary Knob |
| Application | Interior / Bedroom Doors |
| Keys Included | Yes |
| Country of Origin | Made in Mainland China |
Why Choose This Replacement Lock Core?
Whether you're renovating your home or simply replacing a worn-out lock cylinder, this T30 brass rotary knob core delivers the quality and security your interior doors deserve. The solid brass body resists corrosion, while the eccentric knob mechanism provides a satisfying, precise feel with every turn. The brushed finish ensures it looks great from day one and continues to shine for years to come.
For general home hardware safety tips, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on residential safety standards.
Frequently Asked Questions
Q: What type of doors is this brass rotary knob lock cylinder designed for?
A: This replacement lock core is specifically designed for interior and bedroom doors. It features an eccentric rotary knob mechanism that is well-suited for standard interior door lock setups requiring a single unlocking core.
Q: Does the T30 brass door lock cylinder come with keys?
A: Yes! Keys are included with this replacement lock cylinder, so you can install and start using it right away without needing to purchase additional keys separately.
Q: Is this lock core a direct replacement for existing interior door locks?
A: This cylinder is engineered as a drop-in replacement core for compatible interior door locks. We recommend measuring your existing lock cylinder dimensions before purchasing to confirm compatibility with your specific door hardware.
Q: What material is the lock cylinder made from, and how durable is it?
A: The lock cylinder is crafted from high-quality solid brass, which is well-known for its durability, corrosion resistance, and long-lasting performance — making it an excellent choice for everyday use on bedroom and interior doors.