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🇮🇳🇿🇦 South Asia & Africa

2 models

Indian Godrej rim deadbolts, South African Union lever systems & tropical monsoon weatherproofing

Core Retrofit Baseline: Indian Godrej Tribolt Deadbolt
★ Core Baseline

Core Retrofit Baseline: Indian Godrej Tribolt Deadbolt

South Asian benchmark. Surface-mounted box with 3 heavy deadbolts requiring external pinch cams.

Specifications & Blueprint → 📐 1:1 Template

Representative Candidate Lock Models:

Godrej Classic Tribolt Rim Deadbolt (India / South Asia) SCENE Godrej Classic Tribolt Rim Deadbolt (India / South Asia) ASSEMBLY
AF-01 NICHE
Mainstream Benchmark
/ / (India / South Asia / East Africa)

Godrej Classic Tribolt Rim Deadbolt (India / South Asia)

65%
⌖ Clearance ≤1.0mm; thumbturn adapter recessed 5mm, dual pinch travel 2.5mm ⎔ 32mm ~ 45mm ⚡ Recommended gear reduction ratio 120:1 to 180:1
Blueprint →
Union 2-Lever Classic Mortice Lock (South Africa / Nigeria) SCENE Union 2-Lever Classic Mortice Lock (South Africa / Nigeria) ASSEMBLY
AF-02 NICHE
Mainstream Benchmark
/ / (South Africa / Nigeria / Kenya)

Union 2-Lever Classic Mortice Lock (South Africa / Nigeria)

55%
⌖ Clearance ≤1.0mm; thumbturn adapter recessed 5mm, dual pinch travel 2.5mm ⎔ 40mm ~ 50mm ⚡ Recommended gear reduction ratio 120:1 to 180:1
Blueprint →
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A public-benefit reference for lock designers retrofitting the world's existing mechanical locks.

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Reference data only. Verify against the original standard and a physical measurement before manufacturing, installing, or relying on any lock. Fire-rated and escape-route doors must keep a certified, mechanically operable egress path.