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Deny D.F Conventional key cylinder protected for life

With a high level of security and strong combinatorial power, the D.F cylinder guarantees unlimited protection over time thanks to the key profile protected for life.
A real solution for complex access logics, the D.F cylinder is made up of 6 vertical pistons in hard bronze / hardened steel for improved anti-drilling protection.
The specific shape of the rods provides protection against common opening methods.
Comprising up to 12 control pins placed at 45 ° to make copying more difficult, the D.F cylinder offers high combinatorial power for maximum safety.


  • Cylinder delivered without key. Key to be ordered separately. Other dimensions, consult us. Unlimited key protection over time.
  • Up to 18 different coding elements. 6 main pistons spring loaded. Up to 12 pins positioned at 45 °. Pistons and pins in bronze or hardened and nickel-plated steel. Protection against picking and bumping techniques. Protection against drilling. Cylinder body in solid nickel-plated brass. Key protected for life against copying by trademark registration. Wear and corrosion resistant nickel silver key. Key compatible with 125kHz and Mifare access controls.
Conventional Key System
Single Coded
Master Key System
Grand Master Key System
Anti Bump Protection
Anti Pick Protection
Copy Protection
Registration Card

Suggested application of use

Airports, Financial, Hospitals, Hotels, Industrial, Maintenance, Medium to Large Sized Businesses, Small to Medium Sized Businesses, Offices


Technical features

Trademark ProtectionYes
Key TypeConventional Key System
Registration CardYes
Total Number of Locking Elements18
MKS PossibilitiesMaster Key, Single Coded, Grand Master Keyed
Anti Snap ProtectionNo
Standard Warranty1 Year
Maximum Number of Lateral Elements12
Maximum Number of Upper Elements0
Number of Active Locking Elements18
Number of Ant Bumping Elements6
Number of Anti Picking Elements2
Number of Moveable Elements2
Number of Passive Elements12

System Patent ProtectionYes
Trademark ProtectionYes

Standard FinishMatt Nickel
Standard Housing MaterialBrass
Number of Keys0
Key MaterialNew Silver
Standard CamDIN

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