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European Commercial Night Latch Door Lock K85NL

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K85NL

1. Product Summary

The K85NL is a high-security night latch designed for European commercial door systems, offering three flexible operation modes:


1. Key-Only Security Mode

• Exterior handle locks automatically

• Access restricted to key entry only

• Interior can be fitted with either handle or keyhole

 

2. Free Passage Mode

• Both sides operate as standard handles

• Keyless entry/exit for high-traffic areas

 

3. Anti-Intrusion Protection

• Reinforced auxiliary latch prevents carding attacks

• Tamper-resistant construction

 

Ideal for businesses needing both security and convenience, the K85NL delivers professional-grade access control with intelligent flexibility.





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 2. Product Details

Construction


• Premium 304 Stainless Steel Components

• Die-casting latch & deadbolt (sloped latch design)

• Matching face plate & striker plate

 

• Reinforced Structure

• 1.5mm thick protective casing

• Die-casting 304 stainless steel spindle follower

 

• Built to Last

• Superior corrosion resistance

• Enhanced durability for heavy-duty use

 

Security

The K85NL mortise meets Europe’s stringent EN 12209 standard, providing proven protection against break-ins with durability.

 

Durability

The K85NL mortise has passed EN12209’s demanding tests, proving exceptional durability and reliable performance under heavy use.

 


3. Technical Details

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The K85NL mortise includes a striker plate, a plastic dust box, and four stainless steel screws.

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