Description
Cabinet Locks 407-3
Quick No-Drill Installation
The Armstrong 407-3 installs securely on 5–6 mm glass cabinet doors without drilling holes into the glass. This preserves the strength and appearance of the glass while allowing fast installation, easy replacement, and minimal maintenance.
Integrated Knob Cylinder
Its solid-case cylinder functions as both a secure locking mechanism and a comfortable door knob, allowing smooth opening and closing while providing reliable protection for display cabinets and showcases.
Durable Zinc Alloy Construction
Manufactured from premium zinc alloy, the 407-3 delivers excellent durability, corrosion resistance, and dependable long-term performance. Available in Chrome and Black finishes, it complements a wide variety of modern glass cabinet designs.
Complete Installation Accessories
Each lock includes 2 keys, 4 M5 headless screws, and 2 rubber protectors, ensuring quick, secure, and reliable installation on compatible glass cabinet doors.
Wide Range of Applications
Ideal for retail display cabinets, jewelry showcases, museum display cases, office glass cabinets, boutiques, pharmacies, and residential glass furniture where secure locking and professional appearance are essential.
Key Benefits
- No-drill installation for 5–6 mm glass doors.
- Cylinder doubles as a convenient door knob.
- Durable zinc alloy construction.
- Complete mounting accessories included.
- Perfect for retail, commercial, office, and residential glass display cabinets.
Technical Specifications
- Brand: Armstrong
- Model: 407-3
- Product Type: Glass Cabinet Lock
- Material: Zinc Alloy
- Lock Type: Mechanical Key-Operated Lock
- Installation: No Glass Drilling Required
- Glass Thickness Compatibility: 5–6 mm
- Finish Options: Chrome, Black
- Keys Included: 2 Keys
- Application: Glass Display Cabinets, Showcases, Retail Displays & Office Glass Furniture






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