Apply Discount Code
EUR-CYA72140
Eurospec 40mm Oval Single Cylinder Lock
Main image
Click to view image in fullscreen
![]()
The Eurospec Oval Single Cylinder Lock is 40mm in size and available in a Polished Brass or Satin Chrome finish
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
View Delivery Information
As low as:
£10.08
Incl. VAT
£8.40
Excl. VAT
Incl. VAT
Excl. VAT
As low as:
Incl. VAT
Excl. VAT
Price is for/per each
-
+
See our full range:
Description
Door Hardware Solutions
Eurospec 40mm Oval Single Cylinder Lock
Securing external doors requires a component that functions with absolute consistency throughout the year. This 40mm oval single cylinder provides a stable locking point for entryways that only require key access from the exterior, making it a common choice for side doors, utility cupboards, or specific commercial door applications where limited access control remains a priority for the building owner.
Eurospec builds this hardware to endure daily operational stress while maintaining a professional appearance. The solid construction resists typical wear from constant key usage, which helps the lock remain smooth over long periods of service. Every unit undergoes quality checks to ensure the internal mechanism engages correctly, so you experience no resistance when locking or unlocking your door.
40mm
TOTAL LENGTH
5 PIN
SECURITY LEVEL
3 KEYS
INCLUDED ITEMS
1 YEAR
GUARANTEE
Why Choose the Eurospec 40mm Oval Single Cylinder Lock?
This cylinder offers a reliable and straightforward security upgrade for standard oval profile door configurations in residential or light commercial settings.
Proven Oval Profile Compatibility
The standard oval shape integrates with a wide variety of existing door hardware across the UK market. You can replace an ageing cylinder without needing to modify your door or drill new holes, because the industry standard dimensions allow for a direct swap that saves you time during your maintenance project.
Consistent 5 Pin Mechanism
Five internal pins provide a standard security baseline that works effectively for general home protection. The key biting pattern aligns perfectly with the pins so that every turn feels fluid and secure. This design philosophy removes unnecessary complexity, which means the lock maintains its functionality even after years of daily heavy use.
Finish Options for Aesthetic Harmony
Choose between polished brass or satin chrome to match your existing door furniture perfectly. These finishes are applied to protect the metal from the elements while looking sharp against your door surface. Whether your home features traditional or contemporary styling, these options ensure the cylinder looks intentional and well matched to your decor.
Engineering Quality and Daily Performance
High grade alloys combined with precision internal tolerances ensure this cylinder performs consistently in various environmental conditions.
Internal Mechanism and Precision
Internal pins are manufactured to tight tolerances to ensure they reset reliably after every use. This attention to detail prevents the key from sticking when you enter your property, which is a common complaint with inferior hardware that lacks this level of mechanical refinement.
The spring loaded pin system holds its tension well over time because the internal components resist fatigue. When you insert the correct key, the pins align in the shear line, which allows the cam to rotate freely and retract the bolt immediately without requiring additional force from the operator.
Weather Resistance and Long Term Finish
The exterior plating is designed to resist the effects of moisture that build up on external doors during the winter months. This protection keeps the cylinder looking pristine while preventing the oxidation that can sometimes cause mechanisms to seize up in humid coastal areas.
Keeping the lock in good condition is simple because the materials do not react with standard household cleaners. A quick wipe with a clean cloth will restore the shine to the polished brass or satin chrome surface, so the lock remains a clean looking part of your door entrance system.
Installation and Operational Workflow
Fitting this cylinder requires only basic tools and careful measurement to ensure a long life for your security hardware.
1
Preparing the Door
Verify that your existing cylinder is exactly 40mm in length to avoid issues with door furniture alignment. Check that the door surface is clean before you remove the old unit, as this prevents debris from falling into the lock cavity during the installation process which could interfere with the cam rotation.
2
Securing the Cylinder
Insert the new cylinder into the oval aperture on your door while aligning it with the fixing hole in the edge of the door frame. Tighten the fixing screw carefully using a manual screwdriver, but avoid over-tightening as this puts unnecessary pressure on the internal housing and can cause the key movement to feel stiff.
3
Testing the Action
Insert each of the provided keys to confirm that the cylinder turns freely in both directions before you close the door. Test the lock with the door in the open position to make sure the cam extends and retracts fully, because this confirms that the cylinder is seated correctly within your door hardware.
Expert Installation and Care Tip
Always ensure the key is removed from the lock during the final tightening of the fixing screw to prevent alignment issues. If the door experiences heavy weather exposure, a light application of dry lubricant can help keep the internal pins moving smoothly for many years to come.
Technical Specifications
| Feature | Rating / Standard | Practical Details |
|---|---|---|
| Cylinder Type | Oval Single Cylinder | Standard profile fits most existing UK oval lock cut-outs without additional modification. |
| Length | 40mm | Fixed total length requires an accurate door measurement to ensure a flush, secure fit. |
| Security | 5 Pin Tumbler | Standard pin count provides adequate security for everyday external door applications. |
| Supplied Keys | 3 Keys | Three keys allow for household spares or emergency access for family members. |
Longevity and Trade Reliability
This cylinder is chosen by trade professionals for its dependable performance in standard residential security setups. The quality materials provide a long service life, which reduces the need for frequent replacements or difficult mechanical repairs over time.
Compatibility and Fitting Notes
Measure your existing cylinder from the centre of the fixing screw hole to both ends to confirm the 40mm length matches your door thickness and hardware profile.
This single cylinder is designed specifically for doors that require external key access only, so please ensure this suits your security requirements before installation.
Verify that the cam position on your new cylinder matches the orientation of your old unit to ensure it engages the locking mechanism correctly upon installation.