National Hardware Solid Brass Sash Lock | Traditional Window Security Hardware 16.8cm (6.625 in)

• WINDOW LOCKS SECURITY: Premium solid brass window lock provides enhanced window security for double-hung windows, effectively drawing frames together to eliminate rattling while adding reliable window locks protection for your home.
• WINDOW SASH LOCK REPLACEMENT: Durable brass construction with protective clear lacquer coating ensures maximum corrosion resistance for both interior and exterior window applications, making this an ideal window sash lock replacement solution.
• WINDOW LATCHES FOR OLD WINDOWS: Crescent-type design specifically engineered for traditional double-hung window systems, providing secure window latch functionality that restores proper operation to aging windows with reliable window latches.
• WINDOW HARDWARE SPECIFICATIONS: Measures 6.625 in x 1 in x 2.75 in with all mounting screws included for complete installation, delivering professional-grade window lock replacement capabilities for homeowners seeking quality window hardware.
• DOUBLE HUNG WINDOW LOCK: Advanced window security lock mechanism draws sash frames tightly together, reducing air infiltration and improving energy efficiency while maintaining smooth window operation and enhanced window locks security.
• QUALITY: National Hardware brand ensures over a century of manufacturing excellence with color-coded labeling system for easy identification, backed by proven innovation and superior product standards.

• Ensure the window is clean and dry. Identify the existing sash lock or latch mechanism on your double-hung window. Remove any old hardware using a screwdriver. — Prepare Installation Area
• Align the National Hardware Sash Lock with the desired position on the window frame and sash. Use a pencil to mark the screw hole locations accurately. — Position and Mark
• Drill pilot holes if necessary (especially for wood). If mounting on concrete or brick, use appropriate masonry anchors. Screw the sash lock firmly into place using the included mounting screws. — Secure the Lock
• Gently operate the window sash to ensure the lock engages smoothly and securely. Check that it draws the frames together tightly, eliminating rattles and providing the desired security. — Test Operation

Typical situations where National Hardware Solid Brass Sash Lock | Traditional Window Security Hardware 16.8cm (6.625 in) helps — illustrative scenarios, not customer reviews.