Intro
The Superior Brass Knob Lock 85mm Centres Polished Brass 200x50mm is a premium entrance door solution engineered for secure, smooth, and reliable operation. Crafted from solid brass and featuring a patented stainless steel ball bearing mechanism, it combines classic styling with fire-rated performance for residential and compliant commercial applications.
Key Features & Benefits
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✅ Function: Entrance knob set for keyed doors
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✅ Design: Traditional knob profile with extended backplate
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✅ Finish: Polished Brass for a timeless, elegant appearance
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✅ Material: Solid Brass construction for strength and longevity
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✅ Mechanism: Patented stainless steel ball bearing mechanism for smooth, long-life operation
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✅ Fire Rating: Tested and rated for up to 4 hours fire resistance
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✅ Compatibility: Designed to suit 85mm centres euro entrance locks
Specifications
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Backplate Size: 200mm x 50mm
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Centres: 85mm
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Projection: 74mm
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Function: Entrance
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Base Material: Solid Brass
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Finish: Polished Brass
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Fire Rating: Up to 4 hours
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Unit of Measure: Pair
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Compatible Locks: Entrance Lock x9208 (45mm) or x9209 (60mm)
Applications
This knob lock set is ideal for front doors and external entry points where enhanced security and fire compliance are required. Its robust construction and classic design make it suitable for heritage homes, modern renovations, and safety-focused residential or commercial projects.
Installation & Inclusions
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Suitable for standard entrance door installation
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Recommended installation by a qualified locksmith or experienced tradesperson, especially for fire-rated doors
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Includes pair of entrance knobs and fixing components (lock supplied separately)
Available Finishes
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Polished Brass
Why Choose Superior Brass?
Superior Brass is trusted for premium solid brass architectural hardware that blends timeless aesthetics with advanced engineering. This entrance knob lock delivers dependable security, smooth operation, and certified fire-rated assurance.
👉 This is an entrance knob lock set designed for doors requiring keyed access using euro-style locks.
Q2. What material is it made from?
👉 It is manufactured from solid brass and incorporates a patented stainless steel ball bearing mechanism for enhanced durability and smooth operation.
Q3. Is this knob lock fire rated?
👉 Yes, this knob lock set is tested and rated for up to 4 hours fire resistance when installed correctly with compatible fire-rated doors and locks.
Q4. What warranty does this product come with?
👉 This product falls under locks, cylinders and latches and includes a 10 Years Mechanical Warranty and 5 Years Finish Warranty, applicable under normal residential use with correct installation and maintenance.
Q5. What finish is available for this model?
👉 This model is available in a Polished Brass finish, offering a classic and refined look for traditional entrance doors.
Payment & Security
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