The National Hardware N197-988 is a solid brass surface-mount flush bolt designed to secure interior and exterior doors with both strength and style. This 4-inch brass bolt provides reliable fastening for doors, cabinets, gates, and other applications where simple, effective security is needed. The polished brass finish delivers a timeless, elegant appearance while the solid brass construction resists rust and corrosion, making it ideal for humid or coastal environments where durability matters.
Surface mounting means no mortising or complex drilling—just screw it to your door and you’re done. The smooth sliding action operates quietly and effortlessly, and the robust construction helps deter forced entry. Whether you’re upgrading a residential entryway or securing a commercial door, this flush bolt combines practical security with classic good looks.
Features and Benefits
- Solid Brass Construction: Rust-proof and corrosion-resistant, ensuring reliable performance for years in any environment.
- 4-Inch Length: Provides deep engagement and a secure lock on standard door thicknesses.
- Surface-Mount Design: Quick, screw-only installation preserves the door’s integrity and eliminates the need for mortising.
- Smooth Sliding Action: Guarantees quiet, effortless operation for locking and unlocking.
- Included Strikes: Comes with both universal and mortise strike options for flexible mounting.
- Versatile Application: Works on interior doors, exterior entryways, cabinets, casement windows, gates, and more.
Specifications
- Brand: National Hardware
- Model: N197-988
- Material: Solid brass
- Finish: Polished brass
- Length: 4 inches
- Width: 0.62 inches
- Height: 0.72 inches
- Installation: Surface mounting
- Fasteners Included: 6 5 screws
- Strikes Included: Universal and mortise strike








