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DOM Sigma Plus Ideal entry level secure cylinder (Our best selling mechanical system)


A double cylinder has an internal and external key way and is hence a both sided lockable cylinder.

By opting for the DOM Sigma Plus cylinder system, you are selecting an ideal entry level secure cylinder dealer profile which is our best selling mechanical system. The cylinder mechanism features 6 solid pin locks and lateral profile pins which make it almost impossible for an unauthorised person to gain access via common forms of attack such as; drilling, bumping and picking.

Designed as a master-keyed system, Sigma Plus offers you the convenience and security that you'd expect from a high-end system but for a good value.

The system can be extended to work with electronic access control by using the DOM Cliptag making your system future-proof protecting your investment long-term.


  • 6 solid pin locks and lateral profile pins make it almost impossible for an unauthorised person to gain access via common forms of attack such as; drilling, bumping and picking
  • High manipulation protection with up to 19 locking authorisation queries per key
  • Funnel shaped cylinder core allows for comfortable key entry
  • Durable and wear-resistant nickel silver key
  • Many different cylinder variants available for a range of applications
  • Trademark protected locking system
  • Available as RS Sigma
  • Optional keyed alike solution (allowing one key to access other cylinders)
Conventional Key System
Single Coded
Master Key System
Grand Master Key System
Certification Fire Resistant
Certification SKG 2 Star
Anti Bump Protection
Anti Pick Protection
Anti Pull Protection
Dealer Profile
Reproduction Card

Suggested application of use

Airports, Education, Financial, Homes, Hospitals, Industrial, Medium to Large Sized Businesses, Offices, Plants, Public Buildings, Small to Medium Sized Businesses, Hotels



Fire ResistantYes
Patent ProtectionYes
Key TypeConventional Key System
Reproduction CardYes
Total Number of Locking Elements18
MKS PossibilitiesGrand Master Keyed, Master Key, Single Coded
Anti Pick ProtectionYes
Anti Bump ProtectionYes
Anti Drill Protection HousingYes
Anti Drill Core ProtectionYes
Anti Snap ProtectionNo
Construction Key FunctionNo
Available as a Service CylinderNo
Maximum Number of Lateral Elements12
Maximum Number of Upper Elements6
Number of Active Locking Elements6
Number of Ant Bumping Elements2
Number of Anti Picking Elements2
Number of Moveable Elements0
Number of Passive Elements12
Standard Warranty2 Years
Standard FinishMatt Nickel
Standard Housing MaterialBrass

SKG Star Rating2 *

Standard FinishMatt Nickel
Optional FinishesBright Brass, Bright Chrome, Bright Nickel, Matt Chrome, Matt Brass, Gold, Dark Bronze
Standard Housing MaterialBrass
Number of Keys2
Key MaterialNew Silver
Standard CamDIN
Optional CamsCam 90°, Cam Biffar, Swiss Cam, Cam Corbin, Spanish Cam 13.2 mm, 10 Teeth Gear Cams, 14 Teeth Gear Cams

Optional Accessories

DOM Service Pen

DOM Service Pen

Universal lubricant
ENiQ Clip Tag V2

ENiQ Clip Tag V2

Architectural Finishes (Colour Matching Service Available)

DOM Cilinder Dull Nickel

01 Satin Nickel

DOM Cilinder Bright Chrome

04 Polished Chrome

DOM Cilinder Satin Brass

05 Satin Brass

DOM Cilinder Polished Brass

06 Polished Brass

DOM Cilinder Light Oxidized Bronze

07 Dark Bronze

DOM Cilinder dark oxidized antique

09 Antique Bronze

DOM Cilinder Gold Plate

25 Gold

27 Matt Black

Available Knob Variants

DOM K1 Knob


DOM K2 Knob


DOM K4 Knob


DOM K6 Knob


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