The National Hardware N150-771 Door Chain Bolt is a heavy-duty security accessory designed to reinforce entryways on doors throughout your home, garage, warehouse, or farm building. This zinc-plated steel chain bolt provides a reliable barrier that deters unauthorized entry. Installation is straightforward with the included mounting screws and fasteners.
The corrosion-resistant zinc plating ensures long-lasting durability in both indoor and outdoor environments, making this bolt suitable for harsh weather conditions and high-traffic areas. Its solid steel construction stands up to constant use and demanding applications across warehouses, storage facilities, garages, and farm buildings.
Features and Benefits
- Zinc-Plated Steel Construction: Corrosion-resistant finish protects against rust and weathering, extending the product’s lifespan in outdoor or humid conditions.
- 6-Inch Length Chain: Provides reach to secure doors while maintaining a compact, low-profile design.
- Heavy-Duty Steel Bolt: Solid steel construction offers strong resistance against forced entry and withstands repeated use in high-traffic settings.
- Universal Door Compatibility: Accommodates both right-hand and left-hand opening doors, making it adaptable to a wide variety of entry points.
- Complete Installation Hardware: Pre-drilled mounting holes and included fasteners simplify setup, allowing quick installation on garage, workshop, warehouse, and farm building doors.
Specifications
- Brand: National Hardware
- Model: N150-771
- Series: V820
- Chain Length: 6 inches
- Material: Steel with zinc plating
- Finish: Zinc-plated
- Includes: Mounting hardware and installation screws








