Introduction
The Superior Brass Knob Lock – Chrome Plated, with a centre-to-centre distance of 57 millimetre and a 203 × 63 millimetre mounting plate, delivers a reliable locking solution for interior doors requiring secure latch operation. Crafted in solid brass with a polished finish, this lock blends durability, smooth functionality, and a classic aesthetic — making it suitable for residential and light-commercial use.
Key Features & Benefits
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Centre-to-centre 57 mm alignment for standard door configurations
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Solid brass construction ensures strength and long-lasting durability
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Chrome plated finish gives corrosion resistance and a polished look
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Smooth knob-and-latch action for dependable door locking
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Suitable for bedrooms, offices, utility rooms, and internal doors requiring lock function
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Includes all necessary hardware for ready installation
Specifications
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Material: Solid Brass
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Finish: Chrome Plated
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Centre-to-Centre (CC): 57 Millimetre
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Plate Size: 203 × 63 Millimetre
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Type: Knob Lock (Latch Lock Mechanism)
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Function: Entry / Privacy Lockset (depending on variant)
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Application: Internal doors requiring latch-lock security
Applications
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Home bedrooms and bathrooms
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Office rooms and cabins
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Utility closets and storage rooms
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Apartment and flat internal doors
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Any internal door needing a standard latch-lock mechanism
Installation & Inclusions
Installation:
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Measure and mark the door for latch and knob positions based on 57 mm centre-to-centre spacing
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Prepare the door bore holes for latch barrel and knob spindle
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Fit latch mechanism and attach the mounting plate using screws
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Install knob handles and strike plate on the door frame
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Confirm smooth knob turn and secure latch engagement
Package Includes:
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1 × Knob Lock Assembly (Knobs + Latch + Plate 203 × 63 mm)
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Strike Plate
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Spindle and Mounting Screws
Available Finishes
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Chrome Plated
Why Choose This Product?
This knob lock is a solid pick when you need a dependable, ready-to-install lockset for interior doors. Its brass construction and chrome plating provide durability and a timeless look, while the standard 57 mm centre spacing ensures compatibility with most door preparations
It refers to the distance between the centre of the latch bolt and the centre of the knob spindle — here, 57 mm — matching typical door preps.
Q2. Is this lock suitable for bedrooms and bathrooms?
Yes — it’s ideal for internal doors that need basic latch-lock functionality for privacy or security.
Q3. Is all installation hardware included?
Yes — latch mechanism, knobs, strike plate, spindle, and screws are all included.
Q4. On what types of doors can this lock be used?
It is suitable for wooden, composite, or light metal interior doors compatible with latch-lock fittings.
Q5. What warranty coverage does this product have?
As a lockset, it comes with 10 Years Mechanical Warranty and 5 Years Finish Warranty.
Payment & Security
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