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20mm Latchlock with override key F688
A 20mm or 25mm Latchlock F688 available Nickel Plated. This innovative latchlock comes complete with a master key for emergency access. Use it to operate the handle and gain entry without cutting or damaging the latch.
Lock Description
Originally developed for school lockers, this patented latchlock combines padlock security with a safe, child-friendly design. Rounded edges and recessed lock cavity prevent injuries while allowing key operation even with the padlock fitted.
Its compact build and 1-, 2- or 3-point cam options suit not only educational settings but also public and government buildings, leisure centres and industrial environments and ensures padlock-level protection with flexible key access.
Typical applications
Ideal for:
- Lockers
- Utility cabinets
- Enclosures
- Telecom boxes
- Service panels
Have a question?
Lock Options
| Product Code | Key Series | Combinations | Body Length | Head Depth | Cam Fixing | Finish | Housing Fixing | Max Panel Thickness | Shackle Diameter | Enquire |
|---|---|---|---|---|---|---|---|---|---|---|
| F688 | 2000 | 20 | 28 | Screw | Nickel Plated | Nut Fixing | 10 | Min 5 - Max 7 | ||
| F689 | 2000 | 20 | 28 | Screw | Nickel Plated | Nut Fixing | 10 | Min 5 - Max 7 | ||
| F758 | 2000 | 25 | 28 | Screw | Nickel Plated | Nut Fixing | 21 | Min 5 - Max 7 |
Standard Features
- Padlock-operated latch system with override key F688 / F689 Series K; F758 Series 2000
- Key-free when closed for added safety
- Standard movements: 1, 2
- Padlock shackle diameter: 5 – 7mm
- Fixing options: Right hand version available as standard (left hand available on request)
- Standard finish:Â Nickel (chrome or black on request)
- Rosette: Black plastic (other colours on request)
- Handle: Zamak with nickel or chrome finish
- Housing fixing:Â nut fixing as standard; horseshoe clip on request
- Max panel thickness: F688 / F689: 10 mm; F758: 21 mm
- Lock movement: Key turns 90° right or left
- Fixing hole shape: F688 – special with anti-turn lugs; F689 & F758 – Double D
- Comprehensive range of cams available: Available with 1, 2, or 3-point cams
Additional information
20mm Latchlock with override key F688 technical drawing
