




🔒 Lock in superior security, unlock peace of mind.
The Yale KM4050-NP is a high-security 1 Star Euro Cylinder lock, certified to British Standard TS007:2014 and Police Secure by Design. Featuring robust anti-pick, anti-drill, anti-bump, anti-pull, and anti-screw technology, it offers reliable protection against common break-in methods. Designed for quick, hassle-free installation, it fits a wide range of door types with a 40/50mm Euro profile and comes with 3 Yale keys for immediate use.









| ASIN | B00ARI1A4K |
| Best Sellers Rank | 34,867 in DIY & Tools ( See Top 100 in DIY & Tools ) 45 in Lock Cylinders |
| Brand | Yale |
| Colour | Nickel |
| Control Method | Touch |
| Customer Reviews | 4.6 4.6 out of 5 stars (653) |
| Finish | Nickel,Polished Brass |
| Included Components | 3 Yale Keys |
| Item Dimensions | 10 x 1.8 x 3.4 centimetres |
| Item Type Name | 1-Star Superior Euro Double Cylinder, 3 Keys Supplied, High Security, Boxed, Suitable for All Door Types |
| Item Weight | 0.64 Pounds |
| Lock Type | Key Lock |
| Manufacturer | Yale |
| Material | Aluminium |
| Model Number | KM4050-NP |
| Recommended Uses For Product | Security |
| Shape | Round |
| Special Features | Easy to Install, Key Unlock |
| Style | Boxed |
| Unit Count | 1.0 count |
T**E
Would buy again
Brilliant product
C**Y
Good product. Double check measurements
Good build quality and fitting straight forward. As with all Euro locks, it's best to remove your existing lock first and measure. There are two ways euro locks are measured. One was is from front to centre bolt hole and then centre bolt hole to the rear. The other way is from front to start of the center swivelling part (this part turns to engage lock) which has the bolt hole then add 1 cm (10mm) for the swilling part then measure end of swivelling part to the rear. Different manufacturers use different methods for measuring and then retailers may use a different method to the maufacturer! So 40/35 (mm) can be same as 35/10/30 Does not come with new bolts so you'll have to re-use old bolt so don't damage the head when removing it. Some of the more expensive Yales come with two new bolts to cater for the two different lengths used on the euro lock doors.
C**N
Vale lock
Good product
C**N
Perfect. Cheap replacement
Cheap. But perfect replacement. Easy diy... even for a girl lol
T**Y
good
good
A**I
Cheap and good.
Pleased.
J**�
Good product
Definitely got the wrong size lock but I've got to say it's a pretty good lock and it's a Yale lock so it's everyone to their own but I would say this is a good lock it does what it does good keys anti-breaking lock it's really good definitely recommend if you've got a bigger door lol
M**V
Cylinder lock 100mm
It's good, but needed to adjust this for installation, maybe I should ordered another size
J**R
Buen producto pero sería bueno que viniera con 5 copias de la llave como casi todos bombines que están en el mercado.
M**N
When the lock on my steel door broke, I thought I would need to change the entire door, but this cylinder fits and work as good as the original if not better.
R**E
Well made. No emergency function - if there is a key in the door and it is not positioned to be removed and pushed out a bit, you cannot open from the other side.
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