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Polished chrome vertical rim knob lockset with brass knobs and black case

Kaba Group

Kaba Group ILC5900451 Vertical Rim Knob Lockset Polished Chrome door lock

SKU CH-NZTH-9XWZ2 MPN ILC5900451

A vertical rim knob lockset with bit skeleton keys that mounts on the door surface and includes a reversible latch for inward or outward opening

  • Surface finishPolished Chrome
  • Vertical rim design suits period doors
  • Reversible latch fits inward or outward swing
  • Surface-mounted case simplifies installation
  • Brass knobs, rosette and escutcheon included
  • Deadbolt operates with skeleton key both sides

Vintage Rim Knob Lockset

The ILC5900451 is a surface-mounted rim lockset finished in polished chrome. It suits period restorations and new builds that want a traditional skeleton-key appearance without modern cylinder hardware.

Surface Mount With Reversible Latch

The black case fixes directly to the door face so no mortising is required. A reversible latch lets the same unit serve doors that swing in or out, and the kit includes brass knobs, rosettes, escutcheon and wood screws for a complete fit.

Replaces Mortise Or Tubular Sets

This lockset upgrades doors previously fitted with mortise boxes or tubular latches where a surface rim lock is preferred. The jump is worth it when the existing door thickness or trim prevents mortising and a vintage bit-key action is specified.

How it compares

Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.

Price $41.99
Cheaper than about 56% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameKaba Ilco
Model nameILC5900451
Size & build
Surface finishPolished Chrome

Questions about this item

What type of lockset interface does the ILC5900451 use and what does that mean for key operation?

The ILC5900451 is a rim knob lockset that operates with bit skeleton keys, locking and deadlocking both knobs from either side.

What physical mounting does the vertical rim lockset require on the door?

The black case mounts directly on the door surface with the included wood screws and a reversible latch suits doors opening in or out.

How is the ILC5900451 installed and which step is commonly missed?

Mount the case on the door surface, fit the keeper on the frame, attach the brass knobs, rosette and key escutcheon, then set the reversible latch for the door swing direction.

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