The Iver Osaka Door Lever on Square Rose — Privacy Set (Separate) — brings the Osaka lever's chunky tapered cylindrical barrel, softly rounded tip and clean edging to a 52mm square rose, with a separate privacy bolt that allows locking from inside. This Privacy Set includes both a tube latch and a separate privacy bolt — the privacy bolt is operated independently of the lever, giving clear tactile control over the locked/unlocked state. Ideal for bathrooms, ensuites and powder rooms. Crafted from solid brass, fire rated to 2 hours to meet Australian Standard AS1530.4:2014. Available in 6 finishes.
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Material
Solid brass
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Backplate
Square Rose 52mm
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Fire Rating
2 Hours AS1530.4
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Finishes
6 Options
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| Warranty | |
| ✓ 10-Year Mechanical Warranty | Covers defects in materials and workmanship across all finishes |
| ✓ Lifetime Finish Warranty | Available on Polished Chrome, Brushed Chrome, Polished Nickel and Brushed Gold PVD |
| ⓘ Living finishes | Brushed Brass naturally ages and patinas over time — generally excluded from finish defect warranties |
| What's in the box | |
| ✓ 1 x Pair of Osaka levers on Square Rose | ✓ 2 x Square rose backplates (52mm) |
| ✓ 1 x Tube latch (60mm backset) | ✓ 1 x Separate privacy bolt |
| ✓ Face fix wood screws | ✓ Tie bolts included |
| ⓘ Hinges and flush bolts are not included — see the bundle guide to select what you need. | |
| Bundle guide — what else do you need? | |
| Follow these steps to complete your installation. | |
| Step 1 — What is your door made of? | |
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Timber door Most common for internal doors. Installs directly using the included wood screws. ⌫ Typical thickness: 35mm – 45mm |
Aluminium door Common for modern or commercial-style homes. May require aluminium-specific fixings. ⌫ Typical thickness: 44mm – 55mm |
| Step 2 — Is it a double door? | |
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Standard doors (under 2100mm) 150mm bolt top + 150mm bolt bottom |
Taller doors (2100mm and above) 300mm bolt top + 150mm bolt bottom |
| Step 3 — Add hinges | |
| 3 hinges are recommended per door for both internal and entrance applications. Choose a matching finish from the Iver hinge range. | |
| Hinges | ||
| Not sure which hinge to choose? Use this as your guide. | ||
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Ball bearing Entrance and heavier doors Reduces friction, prevents squeaking and wear. |
Fixed pin Internal and lighter entrance doors A reliable all-rounder for most internal applications. |
Loose pin Internal use only — ideal for bathrooms Door can be lifted off its hinges in an emergency, even when locked. |
| ⓘ As a general rule: 3 hinges for internal doors, 3 hinges for entrance or heavier doors. Contact us for a full hinge positioning guide. | ||
| Specifications | |
| Function | Privacy (Separate) — tube latch + separate privacy bolt. Lockable from inside only. |
| Material | Solid brass |
| Door type | Timber & aluminium |
| Door thickness | 35mm – 55mm |
| Backplate | Square rose — 52mm × 52mm |
| Projection | 55mm |
| Fire rating | 2 hours — AS1530.4:2014 |
| Warranty | 10-Year Mechanical Warranty |
| Sold as | Pair |
| Available finishes | Brushed Brass | Brushed Chrome | Matt Black | Polished Chrome | Satin Nickel | Signature Brass |
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