ASSA dp4400

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ASSA dp4400

ASSA dp4400
ASSA dp4400 key-Reinder.png
Name ASSA dp4400
Manufacturer ASSA
Lock Type Cylinder
Lock Design Pin-tumbler, Sidebar
Security Rating(s) BS EN 1303:2005
# of Components 6
Component Type Pin-tumbler
Related Locks
ASSA Twin 6000
ASSA Twin Combi
ASSA Twin Exclusive
ASSA Twin Maximum
ASSA Twin Pro

The dp4400 is a BS EN 1303:2005 Security Grade 6 rated pin-tumbler lock made by ASSA. The dp4400 uses six pin-tumblers and a sidebar to provide two layers of security. The patented sidebar mechanism has a force-controlled sidecode function and false gate positions. The cylinder is drill resistant. The dp4400 was patented by inventor Bo G. Widén.

Principles of operation

See also: Pin-tumbler (Principles of operation)

Disassembly instructions



External links

See also