Superior Brass Knob Lock (Centre to Centre 57 mm) Chrome Plated 200×48 mm Only Knob Set (Pair)

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SUPERIOR BRASSSKU: SUP34173K
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$145.22 $152.48

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Introduction

The Superior Brass Knob Lock (CC 57 mm) Chrome Plated 200×48 mm Only Knob Set (Pair) is a sturdy and elegant locking handle solution designed for internal doors. Made from solid brass with a polished chrome finish, it delivers durability, smooth operation, and a refined appearance — ideal for residential, commercial, and office interiors that require a secure lock.


Key Features & Benefits

  • Function: Knob Lock — key‑operated locking handle set for doors

  • Centre-to-Centre Compatibility: 57 mm standard mortice lock spacing

  • Finish: Chrome Plated for a corrosion-resistant, polished look

  • Material: Solid Brass for long-term strength and reliable performance

  • Operation: Smooth knob rotation for locking/unlocking

  • Inclusions: Pair of knob handles, spindle, fixing screws

  • Design: Clean, balanced 200×48 mm backplate suitable for traditional and modern interiors


Specifications

  • Backplate Dimensions: 200 mm × 48 mm

  • Material: Solid Brass

  • Finish: Chrome Plated (CP)

  • Function: Knob Lock (key‑operated)

  • Centre-to-Centre (CC): 57 mm

  • Set Contents: Knob handles (pair), spindle, screws — lock body not included


Applications

  • Bedrooms, offices, storerooms, and internal doors requiring secure key locking

  • Residential homes, commercial offices, hotels, and facilities needing reliable lock hardware

  • Compatible with standard timber internal doors with 57 mm CC mortice locks


Installation & Inclusions

Package Includes:

  • Pair of knob lock handles

  • Spindle

  • Fixing screws

Installation Instructions:

  1. Align the 200×48 mm backplate on the door over the 57 mm CC mortice lock.

  2. Insert the spindle through the lock body.

  3. Attach knob handles on both sides of the door.

  4. Fasten with the provided screws and ensure tight fit.

  5. Test knob rotation and locking/unlocking functionality before regular use.


Why Choose This Product?

This knob lock set offers reliable and secure locking with a tasteful chrome finish and robust solid brass build. Its compatibility with 57 mm CC mortice locks makes it versatile for a range of standard doors, while the elegant backplate design ensures a clean, professional look for interiors.


Frequently Asked Questions
Q1. What type of product is this?
👉 This is a key‑operated knob lock handle set for internal doors, compatible with 57 mm Centre-to-Centre mortice locks.

Q2. Does this package include the lock mechanism?
👉 No — this is an “Only Knob Set.” It includes knob handles, spindle, and screws, but does not include the mortice lock body itself.

Q3. What material and finish is used?
👉 The set is made from solid brass and finished with chrome plating for durability and corrosion resistance.

Q4. Is it suitable for standard internal doors?
👉 Yes — it fits standard timber internal doors using 57 mm Centre-to-Centre lock spacing. For non-standard doors, compatibility should be verified.

Q5. What warranty does this product carry?
👉 This product comes with a 10‑year mechanical warranty and a 2‑year finish warranty, as per your warranty schedule.

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