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Round Mortice Cylinder
5228 Round Mortise Lock Cylinde

Round Mortice Cylinder

Alpro’s cylinder range complements the Alpro lock range along with various key options to enable the customer to choose the required system that best suits the application in question.

Alpro's round mortice cylinders are for use with narrow stile deadlocks and deadlatches. May be supplied keyed to differ, or keyed to pass. Supplied with 2 keys as standard.

Features Include

  • Standard keyways
  • 15/32” standard cylinder
  • 3 Year Guarantee

  • Specification
  • Order info
  • Documents
  • FAQs


These round mortice cylinders are also suitable for use with a round mortice cylinder guard for added security.

Access can be affected from both sides of the door when using a pair of cylinders.

Order info

CodeDescriptionFor use withFinish
5228Round mortice cylinder - keyed to differ1820/1850/4510Satin
5228-TRIMTrim ring - round mortice cylinder1820/1850/4510Satin
5228X Round mortice cylinder - keyed to differTo suit extended hardwareSatin
5229Round mortice cylinder - keyed to pass1820/1850/4510Satin
5229X Round mortice cylinder - keyed to pass - 6 packTo suit extended hardwareSatin
5230Round mortice thumbturn1820/1850/4510Satin
5231Round mortice cylinder guard1820/1850/4510Satin
5241Pair of 5228 round mortice cylinders complete with 2 keys 1820/1850/4510Satin
5242Round mortice cylinder - trim ring 1.5mm thick5228/5229/5230Satin
5243Round mortice cylinder - trim ring 2.5mm thick5228/5229/5230Satin
5244Round mortice cylinder - trim ring 3mm thick5228/5229/5230Satin
5247Key blankRound cylinders




Is there a charge for delivery?

Carriage and packing are included in orders over £250.00. A charge of £10.00 is made on lower value orders to cover carriage, packing and insurance. For deliveries to Ireland please speak to the office for pricing.

How many spare keys are with the round mortise cylinders?

2 keys.

Do you have any information on CE Marking or CE Marking of Doorsets?

Please refer to our technical section under Standards.


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