Description
Sterling Int Ext BS1 ETN4040 Thumbturn Door Cylinder, Satin Nickel, Internal 40mm External 50mm (90mm Total)
Brand | Sterling |
Special feature | Key Unlock |
Lock type | Key Lock |
Item dimensions L x W x H | 9 x 1.5 x 2 centimetres |
Material | Aluminium |
About this item
- Secured By Design Approved Product – The Official UK Police Security Initiative. Recommended By The Police & Insurance Companies.
- TS007 1* Kitemark – Tested To The Very Highest Standards By BSi – British Standards Institution
- Anti-Pick, Anti-Screw, Anti-Pull, Anti-Bump and Anti-Drill components designed to resist to known attack methods on door lock cylinders
- Anti-Snap – sacrificial section leaves cylinder intact stopping thieves entering the property
- Suitable for use with a wide range of doors including timber, composite, UPVC, aluminium or patio doors with a Euro profile
From the manufacturer

Who We Are
Sterling offers a range of physical security hardware with an emphasis on quality and great value.
Sterling is a brand of Burg-Wächter, Europe’s largest safe and post box manufacturer and a trusted brand throughout the world.
Burg-Wächter has a proud heritage of over 120 years and are recognised for quality standards across our extensive range of locks, padlocks, safes, post boxes and access control solutions.
- Over 120 years security experience
- 10,000 individual product lines
- One of Europe’s largest safe and post box manufacturer
Sterling BSi 1 Star Thumbturn Euro Door Lock Cylinder
Secured By Design Approved Product – The Official UK Police Security Initiative. Recommended By The Police & Insurance Companies.
The Sterling 1 star Euro-profile DoorMinder cylinder are independently tested and certified by BSi to TS007 1* standard awarded in 2020.
They are designed to provide maximum protection and have innovative patented features to give a greater security and peace of mind.
Features include anti-drill hardened pins, anti-pick mushroom pins, anti-bump mechanism and have a snap-safe feature to further delay attacks.
- TS007 1* Kitemark – Tested To The Very Highest Standards By BSi – British Standards Institution
- Anti-Pick, Anti-Pull, Anti-Bump And Anti-Drill Components Designed To Resist To Known Attack Methods On Door Lock Cylinders
- Anti-snap – Sacrificial Section Leaves Cylinder Intact Stopping Thieves Entering The Property
- Suitable For Use With A Wide Range Of Doors Including Timber, Composite, Upvc, Aluminium Or Patio Doors With a euro profile