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Polished brass knob and rose kit with spindles and spring, thru-bolted, for ornamental iron gate mortise lockset

Marks USA

Marks USA K22/3 Polished Brass Knob Rose Kit 22AC

SKU CH-9MW9-DX3DD MPN K22/3

Solid brass knob and rose kit with spring-loaded spindles and thru-bolt mounting fits Marks USA 22AC ornamental iron gate mortise locksets

  • Main functionDouble or Single Cylinder For Iron Gate Door Locksets
  • Surface finishPolished Brass
  • Sold asBox
  • Product typeSolid Brass Knob / Rose Assembly Kit With Spindles & Spring
  • Key featuresReplaces Marks USA #K9220
  • Main materialBrass
  • Solid brass construction resists corrosion on exterior gates
  • Thru-bolted mounting provides secure installation on iron doors
  • Spring-loaded 9/32" spindles ensure smooth latch operation
  • Pre-assembled knob and rose kit simplifies replacement of Marks 22AC hardware
  • Includes screws for both 1-3/8" and 1-3/4" door thicknesses

Solid brass knob and rose kit

This kit provides a complete interior and exterior knob-and-rose assembly for Marks USA 22AC ornamental iron mortise locksets. It arrives pre-assembled with spring-loaded spindles and through-bolt hardware for a secure fit.

For Marks 22AC lock owners needing a direct

Builders working on other mortise lock brands or modern cylindrical locksets cannot use this kit because the spindle dimensions and bolt pattern are specific to the 22AC series.

Spindle size and door-thickness compatibility

Each spring-loaded spindle measures 9/32 inch square and the package includes screws for both 1-3/8 inch and 1-3/4 inch thick doors, determining whether the hardware will engage the lock mechanism correctly.

How it compares

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

Price $33.99
Cheaper than about 59% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameMarks USA
Product lineReplacement For Marks 22AC Knobs
Model nameK22/3
Product typeSolid Brass Knob / Rose Assembly Kit With Spindles & Spring Thru Bolted, Replacement For Marks 22AC Knobs, Iron Gate Door Lock
Design styleKnobs
Size & build
Surface finishPolished Brass
Main materialBrass
More details
Main functionDouble or Single Cylinder For Iron Gate Door Locksets

Questions about this item

Is the K22/3 kit the correct replacement for a Marks 22AC mortise lockset?

Yes, the K22/3 is designed as a direct replacement for Marks USA 22AC ornamental iron gate mortise locksets and replaces the original K9220 knob assembly.

What does "thru bolted" mean for the knob and rose installation on my door?

Thru bolting means the knobs are fastened with bolts that pass completely through the door, providing a more secure mount than surface screws alone.

Which door thicknesses are supported by the included hardware?

The kit includes screws for both 1-3/8" and 1-3/4" thick doors, covering standard residential and light commercial thicknesses.

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