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Polished brass jimmy-proof deadbolt with single cylinder and interior turn knob

Kaba Group

Kaba Group 530-53-51 Deadbolt Jimmyproof Single Cylinder Polished Brass

SKU CH-T9DC-VW251 MPN 530-53-51

A single-cylinder deadbolt with double interlocking bolts for doors 1-1/4" to 2-1/4" thick, operated by key outside and turn knob inside

  • Lock keyingKeyed Different
  • Surface finishPolished Brass
  • Sold asCard
  • Product typeDeadbolt Latches
  • Key features* Single cylinder * Bronze lacquered finish * Double interlo
  • Single-cylinder operation with key outside and turn knob inside
  • Double interlocking bolts provide twice the protection against forced entry
  • Reversible design fits doors that open inwards
  • Bronze lacquered finish on polished brass resists corrosion
  • Fits door thicknesses from 1-1/4" to 2-1/4" with 2-1/2" backset

Single-cylinder deadbolt for residential doors

The Kaba Group 530-53-51 is a single-cylinder deadbolt latch finished in polished brass with a bronze lacquered coating. It operates by key from the outside and a turn knob from the inside, providing basic entry security for homeowners. The lock is keyed different and supplied carded with regular mounting screws.

Fits standard door thicknesses and backsets

This unit fits doors 1-1/4" to 2-1/4" thick with a 2-1/2" backset and is designed for doors that open inward. Its completely reversible design allows installation on either left-hand or right-hand doors without additional parts. Double interlocking bolts engage the frame at two points, reinforcing the lock area against forced entry attempts.

Mechanical operation with no power requirements

As a purely mechanical lock, it draws no electricity and produces no electronic noise during use. The bronze lacquered finish resists surface wear from daily handling and environmental exposure. Routine maintenance is limited to occasional lubrication of the cylinder and bolt mechanism to ensure smooth operation over time.

How it compares

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

Price $34.99
Cheaper than about 59% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameIlco Unican
Model name530-53-51
Product typeDeadbolt Latches
Size & build
Surface finishPolished Brass
More details
Lock keyingKeyed Different

Questions about this item

Will the 2-1/2" backset match my existing door prep?

The lock uses a 2-1/2" backset. Measure from the door edge to the centre of the existing hole; if it matches, the deadbolt will fit without new drilling.

Does the polished brass finish discolour or generate heat after years of daily operation?

The bronze lacquered finish is a passive surface coating. Mechanical deadbolts have no electrical components, so they produce no heat and the finish ages only through normal wear.

My door opens inward and is 1-3/4" thick — is anything else required for installation?

The lock fits doors 1-1/4" to 2-1/4" thick that open inward. Regular mounting screws are included, so only a screwdriver is needed to complete the installation.

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