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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.

  • 42mm Euro Single Cylinder Lock Keyed Alike 10 Pin Polished Brass Door Lock Loops

    42mm Euro Single Cylinder Lock Keyed Alike 10 Pin Polished Brass Door Lock

    Original price £23.99 - Original price £23.99
    Original price
    £23.99
    £23.99 - £23.99
    Current price £23.99

    42mm Euro Single Cylinder Lock - Keyed Alike - 10 Pin Polished Brass Door LockTechnical Specification: Finish: Polished BrassUnit: EachPackaging: B...

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    Original price £23.99 - Original price £23.99
    Original price
    £23.99
    £23.99 - £23.99
    Current price £23.99
  • 42mm Euro Single Cylinder Lock Master Key 10 Pin Polished Brass Door Lock Loops

    42mm Euro Single Cylinder Lock Master Key 10 Pin Polished Brass Door Lock

    Original price £32.99 - Original price £32.99
    Original price
    £32.99
    £32.99 - £32.99
    Current price £32.99

    42mm Euro Single Cylinder Lock - Master Key - 10 Pin Polished Brass Door LockTechnical Specification: Finish: Polished BrassUnit: EachPackaging: Bo...

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    Original price £32.99 - Original price £32.99
    Original price
    £32.99
    £32.99 - £32.99
    Current price £32.99
  • 70mm Euro Double Cylinder Lock Keyed to Differ 15 Pin Polished Brass Door Loops

    70mm Euro Double Cylinder Lock Keyed to Differ 15 Pin Polished Brass Door

    Original price £106.99 - Original price £106.99
    Original price
    £106.99
    £106.99 - £106.99
    Current price £106.99

    70mm Euro Double Cylinder Lock - Keyed to Differ - 15 Pin - Polished Brass DoorTechnical Specification: Finish: Polished BrassDimensions: 70mmUnit:...

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    Original price £106.99 - Original price £106.99
    Original price
    £106.99
    £106.99 - £106.99
    Current price £106.99
  • Cylinder Latch Pull Night Latch Door Handle 72 x 48mm Polished Brass Loops

    Cylinder Latch Pull Night Latch Door Handle 72 x 48mm Polished Brass

    Original price £12.89 - Original price £12.89
    Original price
    £12.89
    £12.89 - £12.89
    Current price £12.89

    Cylinder Latch Pull - Night Latch Door Handle - 72 x 48mm - Polished BrassTechnical Specification: Finish: Polished BrassDimensions: 70mm x 45mmUni...

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    Original price £12.89 - Original price £12.89
    Original price
    £12.89
    £12.89 - £12.89
    Current price £12.89
  • 70mm EURO Double Cylinder Lock Keyed to Differ 5 Pin Polished Brass Door Loops

    70mm EURO Double Cylinder Lock Keyed to Differ 5 Pin Polished Brass Door

    Original price £13.79 - Original price £13.79
    Original price
    £13.79
    £13.79 - £13.79
    Current price £13.79

    70mm EURO Double Cylinder Lock - Keyed to Differ - 5 Pin - Polished Brass DoorTechnical Specification: Finish: Polished BrassDimensions: 70mmUnit: ...

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    Original price £13.79 - Original price £13.79
    Original price
    £13.79
    £13.79 - £13.79
    Current price £13.79
  • Large Cylinder Latch Pull Night Latch Door Handle 76 x 45mm Polished Brass Loops

    Large Cylinder Latch Pull Night Latch Door Handle 76 x 45mm Polished Brass

    Original price £14.09 - Original price £14.09
    Original price
    £14.09
    £14.09 - £14.09
    Current price £14.09

    Large Cylinder Latch Pull - Night Latch Door Handle - 76 x 45mm - Polished BrassTechnical Specification: Finish: Polished BrassDimensions: 76mm x 4...

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    Original price £14.09 - Original price £14.09
    Original price
    £14.09
    £14.09 - £14.09
    Current price £14.09
  • 70mm EURO Cylinder & Thumbrturn Lock Keyed to Differ 5 Pin Polished Brass Loops

    70mm EURO Cylinder & Thumbturn Lock Keyed to Differ 5 Pin Polished Brass

    Original price £15.79 - Original price £15.79
    Original price
    £15.79
    £15.79 - £15.79
    Current price £15.79

    70mm EURO Cylinder & Thumbrturn Lock - Keyed to Differ - 5 Pin - Polished BrassTechnical Specification: Finish: Polished BrassDimensions: 70mmU...

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    Original price £15.79 - Original price £15.79
    Original price
    £15.79
    £15.79 - £15.79
    Current price £15.79
  • 45mm EURO Cylinder Thumb Turn Only - 5 Pin Polished Brass Twist Door Barrel

    45mm EURO Cylinder Thumb Turn Only - 5 Pin Polished Brass Twist Door Barrel

    Original price £14.39 - Original price £14.39
    Original price
    £14.39
    £14.39 - £14.39
    Current price £14.39

    Euro Single Thumb turn Only. Overall length, external and internal dimensions are; 45mm (35/10mm). These MP5 Architectural 5 pin cylinders provide ...

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    Original price £14.39 - Original price £14.39
    Original price
    £14.39
    £14.39 - £14.39
    Current price £14.39
  • 70mm EURO Cylinder Bathroom Thumb Turn Lock - Polished Brass Twist Door Barrel

    70mm EURO Cylinder Bathroom Thumb Turn Lock - Polished Brass Twist Door Barrel

    Original price £15.39 - Original price £15.39
    Original price
    £15.39
    £15.39 - £15.39
    Current price £15.39

    Euro Bathroom Cylinder and Turn. Overall length, external and internal dimensions are; 70mm (35/35mm). These MP5 Architectural 5 pin cylinders prov...

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    Original price £15.39 - Original price £15.39
    Original price
    £15.39
    £15.39 - £15.39
    Current price £15.39
  • 90mm EURO Double Cylinder Lock - 5 Pin Polished Brass Fire Rated Door Key Barrel

    90mm EURO Double Cylinder Lock - 5 Pin Polished Brass Fire Rated Door Key Barrel

    Original price £13.69 - Original price £13.69
    Original price
    £13.69
    £13.69 - £13.69
    Current price £13.69

    Euro Double Cylinder. Overall length, external and internal dimensions are; 90mm (45/45mm). These MP5 Architectural 5 pin cylinders provide a good ...

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    Original price £13.69 - Original price £13.69
    Original price
    £13.69
    £13.69 - £13.69
    Current price £13.69
  • 80mm EURO Cylinder Lock & Thumb Turn 5 Pin Polished Brass Fire Rated Door Barrel

    80mm EURO Cylinder Lock & Thumb Turn 5 Pin Polished Brass Fire Rated Door Barrel

    Original price £14.39 - Original price £14.39
    Original price
    £14.39
    £14.39 - £14.39
    Current price £14.39

    Euro Cylinder and Turn. To lock the door on the inside, simply use the turn knob, there's no need for a key. Overall length, external and internal ...

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    Original price £14.39 - Original price £14.39
    Original price
    £14.39
    £14.39 - £14.39
    Current price £14.39
  • 70mm Oval Cylinder Lock & Thumb Turn - 5 Pin Satin Chrome Fire Rated Door Barrel

    70mm Oval Cylinder Lock & Thumb Turn - 5 Pin Satin Chrome Fire Rated Door Barrel

    Original price £12.29 - Original price £12.29
    Original price
    £12.29
    £12.29 - £12.29
    Current price £12.29

    UK Oval Double Cylinder for oval cylinder lock cases. Overall length, external and internal dimensions are; 70mm (35/35mm). These MP5 Architectural...

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    Original price £12.29 - Original price £12.29
    Original price
    £12.29
    £12.29 - £12.29
    Current price £12.29
  • 65mm Standard Rim Nightlatch Lock - Polished Bass Keyed to Differ Fire Rated

    65mm Standard Rim Nightlatch Lock - Polished Bass Keyed to Differ Fire Rated

    Original price £11.59 - Original price £11.59
    Original price
    £11.59
    £11.59 - £11.59
    Current price £11.59

    Standard Rim Cylinder. Keyed to Differ. A replacement rim cylinder that can be used with most UK rim nightlatches, enabling simple changing of the ...

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    Original price £11.59 - Original price £11.59
    Original price
    £11.59
    £11.59 - £11.59
    Current price £11.59
  • 50mm EURO Single Cylinder Lock - 6 Pin Polished Brass Fire Door KTD Barrel

    50mm EURO Single Cylinder Lock - 6 Pin Polished Brass Fire Door KTD Barrel

    Original price £19.59 - Original price £19.59
    Original price
    £19.59
    £19.59 - £19.59
    Current price £19.59

    50mm EURO Single Cylinder Lock - 6 Pin Polished Brass Fire Door KTD BarrelAlias ID - bc07015

    Original price £19.59 - Original price £19.59
    Original price
    £19.59
    £19.59 - £19.59
    Current price £19.59
  • 35 / 40mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    35 / 40mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    Original price £21.99 - Original price £21.99
    Original price
    £21.99
    £21.99 - £21.99
    Current price £21.99

    35 / 40mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door BarrelAlias ID - bc07018

    Original price £21.99 - Original price £21.99
    Original price
    £21.99
    £21.99 - £21.99
    Current price £21.99
  • 35 / 45mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    35 / 45mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    Original price £21.99 - Original price £21.99
    Original price
    £21.99
    £21.99 - £21.99
    Current price £21.99

    35 / 45mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door BarrelAlias ID - bc07021

    Original price £21.99 - Original price £21.99
    Original price
    £21.99
    £21.99 - £21.99
    Current price £21.99
  • 35 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    35 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    Original price £22.49 - Original price £22.49
    Original price
    £22.49
    £22.49 - £22.49
    Current price £22.49

    35 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door BarrelAlias ID - bc07024

    Original price £22.49 - Original price £22.49
    Original price
    £22.49
    £22.49 - £22.49
    Current price £22.49
  • 40 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    40 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    Original price £22.99 - Original price £22.99
    Original price
    £22.99
    £22.99 - £22.99
    Current price £22.99

    40 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door BarrelAlias ID - bc07027

    Original price £22.99 - Original price £22.99
    Original price
    £22.99
    £22.99 - £22.99
    Current price £22.99
  • 40 / 60mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    40 / 60mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    Original price £23.99 - Original price £23.99
    Original price
    £23.99
    £23.99 - £23.99
    Current price £23.99

    40 / 60mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door BarrelAlias ID - bc07028

    Original price £23.99 - Original price £23.99
    Original price
    £23.99
    £23.99 - £23.99
    Current price £23.99
  • 45 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    45 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door Barrel

    Original price £23.49 - Original price £23.49
    Original price
    £23.49
    £23.49 - £23.49
    Current price £23.49

    45 / 50mm EURO Double Offset Cylinder Lock 6 Pin Polished Brass Fire Door BarrelAlias ID - bc07031

    Original price £23.49 - Original price £23.49
    Original price
    £23.49
    £23.49 - £23.49
    Current price £23.49
  • 70mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key Barrel

    70mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key Barrel

    Original price £21.49 - Original price £21.49
    Original price
    £21.49
    £21.49 - £21.49
    Current price £21.49

    70mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key BarrelAlias ID - bc07033

    Original price £21.49 - Original price £21.49
    Original price
    £21.49
    £21.49 - £21.49
    Current price £21.49
  • 80mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key Barrel

    80mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key Barrel

    Original price £21.99 - Original price £21.99
    Original price
    £21.99
    £21.99 - £21.99
    Current price £21.99

    80mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key BarrelAlias ID - bc07035

    Original price £21.99 - Original price £21.99
    Original price
    £21.99
    £21.99 - £21.99
    Current price £21.99
  • 90mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key Barrel

    90mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key Barrel

    Original price £22.99 - Original price £22.99
    Original price
    £22.99
    £22.99 - £22.99
    Current price £22.99

    90mm EURO Double Cylinder Lock - 6 Pin Polished Brass Fire Rated Door Key BarrelAlias ID - bc07038

    Original price £22.99 - Original price £22.99
    Original price
    £22.99
    £22.99 - £22.99
    Current price £22.99
  • 100mm EURO Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Fire Rated Barrel

    100mm EURO Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Fire Rated Barrel

    Original price £26.99 - Original price £26.99
    Original price
    £26.99
    £26.99 - £26.99
    Current price £26.99

    100mm EURO Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Fire Rated BarrelAlias ID - bc07041

    Original price £26.99 - Original price £26.99
    Original price
    £26.99
    £26.99 - £26.99
    Current price £26.99
  • 35 / 45mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    35 / 45mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99

    35 / 45mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass BarrelAlias ID - bc07044

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99
  • 40 / 60mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    40 / 60mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    Original price £26.99 - Original price £26.99
    Original price
    £26.99
    £26.99 - £26.99
    Current price £26.99

    40 / 60mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass BarrelAlias ID - bc07047

    Original price £26.99 - Original price £26.99
    Original price
    £26.99
    £26.99 - £26.99
    Current price £26.99
  • 45 / 35mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    45 / 35mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99

    45 / 35mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass BarrelAlias ID - bc07049

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99
  • 60 / 40mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    60 / 40mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass Barrel

    Original price £26.99 - Original price £26.99
    Original price
    £26.99
    £26.99 - £26.99
    Current price £26.99

    60 / 40mm EURO Offset Cylinder Lock & Thumb Turn - 6 Pin Polished Brass BarrelAlias ID - bc07051

    Original price £26.99 - Original price £26.99
    Original price
    £26.99
    £26.99 - £26.99
    Current price £26.99
  • 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

    Original price £23.99 - Original price £23.99
    Original price
    £23.99
    £23.99 - £23.99
    Current price £23.99

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

    Original price £23.99 - Original price £23.99
    Original price
    £23.99
    £23.99 - £23.99
    Current price £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

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99

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

    Original price £24.99 - Original price £24.99
    Original price
    £24.99
    £24.99 - £24.99
    Current price £24.99
  • Polished Brass Standard Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Standard Cylinder Thumbturn Adapter - Twist Turn

    Original price £10.99 - Original price £10.99
    Original price
    £10.99
    £10.99 - £10.99
    Current price £10.99

    Standard ThumbturnAlias ID - bc07063

    Original price £10.99 - Original price £10.99
    Original price
    £10.99
    £10.99 - £10.99
    Current price £10.99
  • Polished Brass Large Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Large Cylinder Thumbturn Adapter - Twist Turn

    Original price £14.19 - Original price £14.19
    Original price
    £14.19
    £14.19 - £14.19
    Current price £14.19

    Large Thumbturn to suit CylinderAlias ID - bc07066

    Original price £14.19 - Original price £14.19
    Original price
    £14.19
    £14.19 - £14.19
    Current price £14.19
  • Polished Brass Rounded Dome Cylinder Thumbturn Adapter - Twist Turn

    Polished Brass Rounded Dome Cylinder Thumbturn Adapter - Twist Turn

    Original price £11.69 - Original price £11.69
    Original price
    £11.69
    £11.69 - £11.69
    Current price £11.69

    Round Thumbturn to suit CylinderAlias ID - bc07069

    Original price £11.69 - Original price £11.69
    Original price
    £11.69
    £11.69 - £11.69
    Current price £11.69
  • Polished Brass Rounded Tall & Slim Cylinder Thumbturn Adapter - Twist Turn

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

    Original price £13.69 - Original price £13.69
    Original price
    £13.69
    £13.69 - £13.69
    Current price £13.69

    Tall Semi-Circular Thumbturn to suit CylinderAlias ID - bc07073

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

    Polished Brass Peanut Shaped Cylinder Thumbturn Adapter - Twist Turn

    Original price £11.59 - Original price £11.59
    Original price
    £11.59
    £11.59 - £11.59
    Current price £11.59

    Peanut Shaped Thumbturn to suit CylinderAlias ID - bc07075

    Original price £11.59 - Original price £11.59
    Original price
    £11.59
    £11.59 - £11.59
    Current price £11.59
  • 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

    Original price £16.89 - Original price £16.89
    Original price
    £16.89
    £16.89 - £16.89
    Current price £16.89

    Shaped Disabled Lever Thumbturn to suit CylinderAlias ID - bc07078

    Original price £16.89 - Original price £16.89
    Original price
    £16.89
    £16.89 - £16.89
    Current price £16.89
  • 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

    Original price £22.49 - Original price £22.49
    Original price
    £22.49
    £22.49 - £22.49
    Current price £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...

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    Original price £22.49 - Original price £22.49
    Original price
    £22.49
    £22.49 - £22.49
    Current price £22.49