Cylinders and Barrels
Cylinders & Barrels | Euro, Rim, Oval, TS007 & Smart CylindersÂ
Quality Lock Cylinders for Trade Professionals Â
Duffells provides trade professionals with an extensive selection of high-quality lock cylinders, including euro cylinders, rim cylinders, oval cylinders, Scandinavian cylinders, TS007 rated cylinders, smart cylinders, and more. Our comprehensive range ensures you can find the ideal cylinder solution for every installation or repair project.
We supply cylinders and barrels from trusted brands, including Yale, ERA, ABS, Union, TSS, VERSA, Iseo, Banham, GeGe, Alpro, Adams Rite, ensuring reliable performance and security.
Types of Lock Cylinders AvailableÂ
Euro CylindersÂ


Euro Double CylindersÂ
Key-operated on both sides, suitable for multipoint locks on UPVC and composite doors.Â


Euro Key and Turn Cylinders Â
Key-operated externally with thumbturn operation internally for convenient exit.


Euro Single CylindersÂ
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Key-operated externally with thumbturn operation internally for convenient exit.
Oval CylindersÂ


Oval Double CylindersÂ
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Key-operated from both sides, ideal for commercial doors.


Oval Key and Turn CylindersÂ
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Combines security with internal ease of use.Â


Oval Single CylindersÂ
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Single-sided key operation, suitable for specific locking scenarios.Â
Other Cylinders


Rim CylindersÂ
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Used primarily with night latches on external doors, rim cylinders offer straightforward installation and reliable security.


TS007 Rated CylindersÂ
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High-security cylinders meeting British Standard TS007 ratings, providing robust protection against snapping, drilling, and picking.Â


Scandinavian CylindersÂ
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High-security cylinders commonly used with Scandinavian lock cases, renowned for durability and resistance to picking and drilling.


Screw-In Threaded CylindersÂ
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Ideal for metal door lock cases, providing secure screw-in installation.Â


Smart CylindersÂ
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Electronic cylinders offering keyless entry solutions with enhanced security features and remote access control.Â
Choosing the Right CylinderÂ
Important Cylinder MeasurementsÂ
To accurately select the correct cylinder, consider these key measurements:
Cylinder Length: Measure total length and the individual lengths from each end to the cam.
Door Thickness: Select cylinders that align with door thickness to avoid cylinder snapping risks.
Diameter (Screw-in Cylinders): Confirm cylinder diameter for proper lock case compatibility.
Security Ratings ExplainedÂ
BS EN 1303
Cylinder performance classified using an 8-digit code evaluating durability, corrosion resistance, key security, and attack resistance.
TS007 Ratings
- 1-Star: Basic security meeting minimum requirements; typically combined with 2-star handles to achieve 3-star security.
- 3-Star: Highest standalone cylinder security, resistant to drilling, picking, snapping, and extraction.
Sold Secure
Sold Secure SS312 Diamond standard provides independent verification of cylinder security, representing the highest security rating for cylinders.
To find out more about cylinder standards and the tests they go through to achieve the certifications; read our blog post Understanding Cylinder Security Standards, Tests and Certifications
Rapid Dispatch & Trade-Focused ServiceÂ
Duffells is committed to providing trade professionals with swift, same-day dispatch on orders placed before 7 pm, ensuring timely project completion.
Cylinders & Barrels FAQsÂ
Q1 – Where are Euro cylinders commonly used?Â
A: Euro cylinders are widely used in UPVC and composite multipoint locks, wooden doors with euro mortice locks, sliding patio doors, and certain garage door locks.
Q2 – How do Euro cylinder locks operate?Â
A: Euro cylinders contain pins that must align correctly with a key’s profile. Once aligned, turning the key activates a cam, engaging or disengaging the lock mechanism.
Q3 – How to measure a Euro cylinder? Â
Measure cylinder length from the lock face to each side’s cam centre. Typical lengths range from 60mm to 120mm, with variations such as 35/45mm or 40/50mm.Â
Q4 – What is TS007?Â
TS007 is a British Standard security rating system providing either standalone 3-star cylinders or a combination of a 1-star cylinder and 2-star handles, enhancing resistance to snapping, picking, and drilling.Â
Q5 – How do I replace a rim cylinder?Â
Remove night latch fixing screws and existing cylinder, cut the new cylinder tail to match the old length, insert the new cylinder, secure screws, and reinstall night latch.Â
Choose Duffells for Trusted Cylinders & BarrelsÂ
Duffells delivers reliable, secure, and high-quality cylinders and barrels for trade professionals. Browse our extensive product range to ensure you find the perfect cylinder solution for every security project.