Zamak Twist-In Sliding Door Lock For Patio Doors And Horizontal Sliding Windows Replaces Old Or Broken Locks Enhances Security While Ventilating Prevents Slipping And Lifting Of Active Panel 1-9/16 Inch Hole Spacing Black Single Unit

Zamak Twist-In Patio Door Lock, 1-9/16 in spacing, Set 1
✔️ Zamak housing, aluminum bolt, black finish with 1/2 in reach

This twist-in sliding door lock is a sturdy replacement designed for patio door systems and some horizontal sliding windows. It mounts on the lower back-edge of the sliding panel and provides a secondary locking point to secure the door during ventilation or when the panel is closed.

✅ Zamak cast housing with aluminum bolt
✅ Black painted finish; corrosion resistant
✅ 1/2 in reach (12.7 mm)
✅ Mounting hole centers 1-9/16 in (39.7 mm)
✅ Overall height 11/16 in (17.5 mm)
✅ Bolt locks into a 1/4 in (6.35 mm) hole in fixed panel bottom rail

💡 What is a handy question people ask about sliding door locks?

- handy for securing during ventilation in homes or apartments
- quick retrofit to replace worn or damaged locks on patio doors
- compatible with some horizontal sliding windows that have the bottom rail prepared