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Polished brass mortise cylinder lock, 1-1/4 inch length, standard cam, Schlage keyway

Kaba Group

Kaba Group 7205SX1-03 Polished Brass 1-1/4" Mortise Cylinder Door Lock

SKU CH-C9S4-G31XH MPN 7205SX1-03

Solid brass mortise cylinder with Schlage C-K keyway, 1-1/4" length and standard cam fits 1.150 x 32 UNS threads

  • Lock keyingKeyed Different
  • Surface finishPolished Brass
  • Sold asBox
  • Solid brass construction resists wear and corrosion
  • Polished US3 brass finish suits period and modern doors alike
  • 1-1/4 inch length fits standard mortise lock bodies
  • Standard Cam #1 operates common mortise lock mechanisms
  • Schlage C-K keyway works with existing Schlage key systems

Solid Brass Mortise Cylinder

This 1-1/4 inch mortise cylinder is machined from solid brass bar stock to OEM specifications. It suits residential and light-commercial doors that require a standard-thread replacement cylinder with a polished brass finish. The unit ships keyed different so each lock operates independently.

Schlage C-K Keyway

The cylinder uses a Schlage C-K keyway with a five-pin tumbler, meaning only keys cut to that profile will operate the lock. Existing Schlage keys cannot be copied onto this cylinder unless they already match the C-K specification.

Indoor and Outdoor Durability

Solid brass construction resists corrosion on exterior doors while the polished US3 finish maintains appearance on interior hardware. No electronic components or moving assemblies exist to generate heat, noise or power draw.

How it compares

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

Price $22.99
Cheaper than about 68% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameIlco
Model name7205SX1-03
Size & build
Surface finishPolished Brass
More details
Lock keyingKeyed Different

Questions about this item

What does the 1-1/4" length mean when the cylinder is installed in a mortise lock?

The 1-1/4" length is the cylinder body size that fits standard door thicknesses; it threads into the lock housing with the 1.150 x 32 UNS thread.

How does the 1.150 x 32 UNS thread size limit which locks this cylinder can fit?

The 1.150 x 32 UNS thread only mates with mortise lock housings cut to that exact thread pitch and diameter.

What clearance does the 1.360" (34.5mm) cylinder face need in the door prep?

The 1.360" (34.5mm) face diameter requires a matching bore in the lock trim or escutcheon to sit flush.

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