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Cylinders

What are door cylinders? A door cylinder is the part of the lock mechanism which you insert the key into. When locked, it engages spring-loaded pins, keeping the cylinder from turning.

There are a few different types of key locks known as profiles. Deciding which profile you require depends largely on your door hardware. Different door handles and cylinder sashlocks accept different profiles and you need to make sure that all your hardware is compatible. The two main types of cylinder profile are euro profile & oval profile.

We also supply a range of cylinders that are keyed at one end and have a thumbturn at the other end, perfect for exterior front doors.

  • 70mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Brass Fire Rated Door Barrel

    70mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Brass Fire Rated Door Barrel

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    70mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Brass Fire Rated Door BarrelAlias ID - bc07053

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • 70mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated Barrel

    70mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated Barrel

    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99

    MPx6 Euro Cylinder and Turn. To lock the door on the inside, simply use the turn knob, there's no need for a key. These MP 6 pin cylinders provide ...

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    £23.99 - £23.99
    £23.99
    £23.99 - £23.99
    £23.99
  • 80mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Brass Fire Rated Door Barrel

    80mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Brass Fire Rated Door Barrel

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99

    80mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Brass Fire Rated Door BarrelAlias ID - bc07055

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99
  • 80mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated Barrel

    80mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated Barrel

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99

    80mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated BarrelAlias ID - bc07056

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99
  • 80mm EURO Cylinder Lock & Thumb Turn - 6 Pin Satin Chrome Fire Rated Barrel

    80mm EURO Cylinder Lock & Thumb Turn - 6 Pin Satin Chrome Fire Rated Barrel

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99

    80mm EURO Cylinder Lock & Thumb Turn - 6 Pin Satin Chrome Fire Rated BarrelAlias ID - bc07057

    £24.99 - £24.99
    £24.99
    £24.99 - £24.99
    £24.99
  • 90mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated Barrel

    90mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated Barrel

    £25.99 - £25.99
    £25.99
    £25.99 - £25.99
    £25.99

    90mm EURO Cylinder Lock & Thumb Turn 6 Pin Polished Chrome Fire Rated BarrelAlias ID - bc07058

    £25.99 - £25.99
    £25.99
    £25.99 - £25.99
    £25.99
  • 90mm EURO Cylinder Lock & Thumb Turn - 6 Pin Satin Chrome Fire Rated Barrel

    90mm EURO Cylinder Lock & Thumb Turn - 6 Pin Satin Chrome Fire Rated Barrel

    £25.99 - £25.99
    £25.99
    £25.99 - £25.99
    £25.99

    90mm EURO Cylinder Lock & Thumb Turn - 6 Pin Satin Chrome Fire Rated BarrelAlias ID - bc07059

    £25.99 - £25.99
    £25.99
    £25.99 - £25.99
    £25.99
  • 70mm EURO Double Cylinder Lock - 5 Pin Nickel Plated Contract Door Key Barrel

    70mm EURO Double Cylinder Lock - 5 Pin Nickel Plated Contract Door Key Barrel

    £10.79 - £10.79
    £10.79
    £10.79 - £10.79
    £10.79

    Contract 5 Pin Euro Double Cylinder. Overall length, external and internal dimensions are; 70mm (35/35mm). These 5 pin cylinders provide a good deg...

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    £10.79 - £10.79
    £10.79
    £10.79 - £10.79
    £10.79
  • 80mm EURO Double Cylinder Lock - 5 Pin Nickel Plated Contract Door Key Barrel

    80mm EURO Double Cylinder Lock - 5 Pin Nickel Plated Contract Door Key Barrel

    £11.39 - £11.39
    £11.39
    £11.39 - £11.39
    £11.39

    Contract 5 Pin Euro Double Cylinder. Overall length, external and internal dimensions are; 80mm (40/40mm). These 5 pin cylinders provide a good deg...

    View full details
    £11.39 - £11.39
    £11.39
    £11.39 - £11.39
    £11.39
  • 60mm EURO Cylinder Lock & Thumb Turn - 5 Pin Nickel Plated Door Key Barrel

    60mm EURO Cylinder Lock & Thumb Turn - 5 Pin Nickel Plated Door Key Barrel

    £11.19 - £11.19
    £11.19
    £11.19 - £11.19
    £11.19

    Euro Cylinder and Turn. To lock the door on the inside, simply use the turn knob, there's no need for a key. Contract 5 Pin Euro Double Cylinder. O...

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    £11.19 - £11.19
    £11.19
    £11.19 - £11.19
    £11.19
  • Polished Brass Standard Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Standard Cylinder Thumbturn Adapter - Twist Turn

    £10.99 - £10.99
    £10.99
    £10.99 - £10.99
    £10.99

    Standard ThumbturnAlias ID - bc07063

    £10.99 - £10.99
    £10.99
    £10.99 - £10.99
    £10.99
  • Polished Chrome Standard Cylinder Thumbturn Adapter - Twist Turn

    Polished Chrome Standard Cylinder Thumbturn Adapter - Twist Turn

    £10.99 - £10.99
    £10.99
    £10.99 - £10.99
    £10.99

    Standard ThumbturnAlias ID - bc07064

    £10.99 - £10.99
    £10.99
    £10.99 - £10.99
    £10.99
  • Matt Black Large Cylinder Thumbturn Adapter - Twist Turn

    Matt Black Large Cylinder Thumbturn Adapter - Twist Turn

    £14.19 - £14.19
    £14.19
    £14.19 - £14.19
    £14.19

    Large Thumbturn to suit CylinderAlias ID - bc07065

    £14.19 - £14.19
    £14.19
    £14.19 - £14.19
    £14.19
  • Polished Brass Large Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Large Cylinder Thumbturn Adapter - Twist Turn

    £14.19 - £14.19
    £14.19
    £14.19 - £14.19
    £14.19

    Large Thumbturn to suit CylinderAlias ID - bc07066

    £14.19 - £14.19
    £14.19
    £14.19 - £14.19
    £14.19
  • Polished Chrome Large Cylinder Thumbturn Adapter - Twist Turn

    Polished Chrome Large Cylinder Thumbturn Adapter - Twist Turn

    £14.19 - £14.19
    £14.19
    £14.19 - £14.19
    £14.19

    Large Thumbturn to suit CylinderAlias ID - bc07067

    £14.19 - £14.19
    £14.19
    £14.19 - £14.19
    £14.19
  • Matt Black Rounded Dome Cylinder Thumbturn Adapter - Door Twist Turn

    Matt Black Rounded Dome Cylinder Thumbturn Adapter - Door Twist Turn

    £11.69 - £11.69
    £11.69
    £11.69 - £11.69
    £11.69

    Round Thumbturn to suit CylinderAlias ID - bc07068

    £11.69 - £11.69
    £11.69
    £11.69 - £11.69
    £11.69
  • Polished Brass Rounded Dome Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Rounded Dome Cylinder Thumbturn Adapter - Twist Turn

    £11.69 - £11.69
    £11.69
    £11.69 - £11.69
    £11.69

    Round Thumbturn to suit CylinderAlias ID - bc07069

    £11.69 - £11.69
    £11.69
    £11.69 - £11.69
    £11.69
  • Polished Chrome Rounded Dome Cylinder Thumbturn Adapter - Twist Turn

    Polished Chrome Rounded Dome Cylinder Thumbturn Adapter - Twist Turn

    £11.69 - £11.69
    £11.69
    £11.69 - £11.69
    £11.69

    Round Thumbturn to suit CylinderAlias ID - bc07070

    £11.69 - £11.69
    £11.69
    £11.69 - £11.69
    £11.69
  • Matt Black Rounded Dome Cylinder Thumbturn Adapter - Bathroom Twist Turn

    Matt Black Rounded Dome Cylinder Thumbturn Adapter - Bathroom Twist Turn

    £17.29 - £17.29
    £17.29
    £17.29 - £17.29
    £17.29

    Large Thumbturn with grip to suit CylinderAlias ID - bc07071

    £17.29 - £17.29
    £17.29
    £17.29 - £17.29
    £17.29
  • Polished Chrome Large Cylinder Thumbturn Adapter & Lined Grips - Twist Turn

    Polished Chrome Large Cylinder Thumbturn Adapter & Lined Grips - Twist Turn

    £17.29 - £17.29
    £17.29
    £17.29 - £17.29
    £17.29

    Large Thumbturn with grip to suit CylinderAlias ID - bc07072

    £17.29 - £17.29
    £17.29
    £17.29 - £17.29
    £17.29
  • Polished Brass Rounded Tall & Slim Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Rounded Tall & Slim Cylinder Thumbturn Adapter - Twist Turn

    £13.69 - £13.69
    £13.69
    £13.69 - £13.69
    £13.69

    Tall Semi-Circular Thumbturn to suit CylinderAlias ID - bc07073

    £13.69 - £13.69
    £13.69
    £13.69 - £13.69
    £13.69
  • Polished Chrome Rounded Tall & Slim Cylinder Thumbturn Adapter - Twist Turn

    Polished Chrome Rounded Tall & Slim Cylinder Thumbturn Adapter - Twist Turn

    £13.69 - £13.69
    £13.69
    £13.69 - £13.69
    £13.69

    Tall Semi-Circular Thumbturn to suit CylinderAlias ID - bc07074

    £13.69 - £13.69
    £13.69
    £13.69 - £13.69
    £13.69
  • Polished Brass Peanut Shaped Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Peanut Shaped Cylinder Thumbturn Adapter - Twist Turn

    £11.59 - £11.59
    £11.59
    £11.59 - £11.59
    £11.59

    Peanut Shaped Thumbturn to suit CylinderAlias ID - bc07075

    £11.59 - £11.59
    £11.59
    £11.59 - £11.59
    £11.59
  • Polished Chrome Peanut Shaped Cylinder Thumbturn Adapter - Twist Turn

    Polished Chrome Peanut Shaped Cylinder Thumbturn Adapter - Twist Turn

    £11.59 - £11.59
    £11.59
    £11.59 - £11.59
    £11.59

    Peanut Shaped Thumbturn to suit CylinderAlias ID - bc07076

    £11.59 - £11.59
    £11.59
    £11.59 - £11.59
    £11.59
  • Disabled Lever Thumbturn to Suit Cylinder 66mm Lever 17.5mm Dia Matt Black

    Disabled Lever Thumbturn to Suit Cylinder 66mm Lever 17.5mm Dia Matt Black

    £16.89 - £16.89
    £16.89
    £16.89 - £16.89
    £16.89

    Shaped Disabled Lever Thumbturn to suit CylinderAlias ID - bc07077

    £16.89 - £16.89
    £16.89
    £16.89 - £16.89
    £16.89
  • Disabled Lever Thumbturn to Suit Cylinder 66mm Lever 17.5mm Dia Polished Brass

    Disabled Lever Thumbturn to Suit Cylinder 66mm Lever 17.5mm Dia Polished Brass

    £16.89 - £16.89
    £16.89
    £16.89 - £16.89
    £16.89

    Shaped Disabled Lever Thumbturn to suit CylinderAlias ID - bc07078

    £16.89 - £16.89
    £16.89
    £16.89 - £16.89
    £16.89
  • Disabled Lever Thumbturn to Suit Cylinder 66mm Lever 17.5mm Dia Polished Chrome

    Disabled Lever Thumbturn to Suit Cylinder 66mm Lever 17.5mm Dia Polished Chrome

    £16.89 - £16.89
    £16.89
    £16.89 - £16.89
    £16.89

    Shaped Disabled Lever Thumbturn to suit CylinderAlias ID - bc07079

    £16.89 - £16.89
    £16.89
    £16.89 - £16.89
    £16.89
  • Chrome EURO Profile 6 Pin Double Cylinder 35/35mm - Front Door Barrell Lock

    Chrome EURO Profile 6 Pin Double Cylinder 35/35mm - Front Door Barrell Lock

    £19.29 - £19.29
    £19.29
    £19.29 - £19.29
    £19.29

    6 Pin security Cylinder which has over 100,000 effective differs. Supplied with Anti-drill & anti-saw pins which provide protection against dri...

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    £19.29 - £19.29
    £19.29
    £19.29 - £19.29
    £19.29
  • Brass EURO Profile 6 Pin Cylinder & Thumbturn 35/35mm - Front Door Barrell Lock

    Brass EURO Profile 6 Pin Cylinder & Thumbturn 35/35mm - Front Door Barrell Lock

    £22.49 - £22.49
    £22.49
    £22.49 - £22.49
    £22.49

    6 Pin security Cylinder which has over 100,000 effective differs. Supplied with Anti-drill & anti-saw pins which provide protection against dri...

    View full details
    £22.49 - £22.49
    £22.49
    £22.49 - £22.49
    £22.49
  • Chrome EURO Profile 6 Pin Cylinder & Thumbturn 35/35mm - Front Door Barrell Lock

    Chrome EURO Profile 6 Pin Cylinder & Thumbturn 35/35mm - Front Door Barrell Lock

    £22.49 - £22.49
    £22.49
    £22.49 - £22.49
    £22.49

    6 Pin security Cylinder which has over 100,000 effective differs. Supplied with Anti-drill & anti-saw pins which provide protection against dri...

    View full details
    £22.49 - £22.49
    £22.49
    £22.49 - £22.49
    £22.49
  • Chrome EURO Profile 6 Pin Cylinder & Thumbturn 45/45mm - Front Door Barrell Lock

    Chrome EURO Profile 6 Pin Cylinder & Thumbturn 45/45mm - Front Door Barrell Lock

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    6 Pin security Cylinder which has over 100,000 effective differs. Supplied with Anti-drill & anti-saw pins which provide protection against dri...

    View full details
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99
  • Chrome EURO Profile 6 Pin Double Cylinder 45/55mm - Front Door Security Lock

    Chrome EURO Profile 6 Pin Double Cylinder 45/55mm - Front Door Security Lock

    £22.49 - £22.49
    £22.49
    £22.49 - £22.49
    £22.49

    6 Pin security Cylinder which has over 100,000 effective differs. Supplied with Anti-drill & anti-saw pins which provide protection against dri...

    View full details
    £22.49 - £22.49
    £22.49
    £22.49 - £22.49
    £22.49
  • Chrome EURO Profile 6 Pin Double Cylinder 50/50mm - Front Door Barrell Lock

    Chrome EURO Profile 6 Pin Double Cylinder 50/50mm - Front Door Barrell Lock

    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99

    6 Pin security Cylinder which has over 100,000 effective differs. Supplied with Anti-drill & anti-saw pins which provide protection against dri...

    View full details
    £22.99 - £22.99
    £22.99
    £22.99 - £22.99
    £22.99