Name: Sterling Thumbturn Euro Cylinder
Brand: Sterling
SKU: 396546
Price: 11.95 EUR
Availability: InStock

Sterling Thumbturn Euro Cylinder Locks – Master Overview

The Sterling Thumbturn Euro Cylinder Locks offer a reliable and secure locking solution for both residential and commercial properties. Designed with versatility, user convenience, and durability in mind, these cylinders are ideal for interior and exterior doors where keyless internal locking functionality is preferred.

Crafted with a solid brass body and plug, each lock features a 5-pin tumbler mechanism, anti-pick mushroom pins, and a 30° offset cam for smooth engagement. The internal thumbturn allows for easy locking or unlocking from inside without a key, enhancing safety during emergencies and providing a practical advantage for the elderly or individuals with limited mobility.

These cylinders come in a range of sizes, from 60mm to 100mm, and in bright nickel or polished brass finishes to suit various aesthetic and functional requirements. Each unit provides up to 12,000 key differs, increasing security and reducing the risk of unauthorized duplication.

Sterling Thumbturn Euro Cylinder Locks – Product Comparison Table

Variant	Internal x External (mm)	Total Length (mm)	Finish	Weight	Use Case
30 x 30	30 x 30	60	Bright Nickel	220g	Compact profile ideal for internal doors or slim-profile external doors
35 x 35	35 x 35	70	Bright Nickel	300g	Balanced design for standard door thicknesses
35 x 40	35 x 40	75	Bright Nickel	315g	Slightly offset design for doors with internal cladding or thicker frames
40 x 40	40 x 40	80	Bright Nickel	330g	Ideal for thicker or reinforced doors requiring uniform cylinder length
40 x 50	40 x 50	90	Polished Brass	360g	Premium aesthetic for traditionally styled doors; suitable for indoor/outdoor use
45 x 45	45 x 45	90	Bright Nickel	355g	Balanced length for doors with additional insulation or security plates
40 x 60	40 x 60	100	Bright Nickel	375g	Asymmetric profile ideal for offset installations such as patio or garden doors
45 x 55	45 x 55	100	Polished Brass	375g	Stylish yet secure choice for larger doors in high-end or heritage properties
45 x 55	45 x 55	100	Bright Nickel	390g	Sleek finish with extended reach—great for doors with external beading
50 x 50	50 x 50	100	Polished Brass	385g	Full-length symmetry, suitable for high-security main entrances
50 x 50	50 x 50	100	Bright Nickel	370g	Ideal for heavy-duty installations with modern styling preferences

Key Features (All Variants)

Thumbturn mechanism for internal keyless operation

Solid brass body and plug for strength and corrosion resistance

5-pin tumbler mechanism ensures pick resistance

Anti-pick mushroom pins for enhanced security

30° offset cam for smooth, reliable action

Standard section keyway

12,000 key differs for reduced duplication

Bright Nickel or Polished Brass finish

Ideal for commercial and domestic use

Typical Applications

uPVC, wooden, and composite doors

Home front and back doors

Office entry points

Multi-occupancy buildings

Care homes and assisted living spaces

FAQs

Q: Can I use this lock on both left- and right-handed doors?
A: Yes, the thumbturn Euro cylinders are non-handed and suitable for both orientations.

Q: What is the advantage of a thumbturn lock?
A: It allows easy locking/unlocking from the inside without a key, improving safety and convenience.

Q: Are these cylinders keyed alike?
A: No, each lock comes with a unique key combination unless specifically ordered keyed alike.

Q: Are these locks suitable for external use?
A: Yes, they are designed to withstand external use, especially with their corrosion-resistant materials.

Customer Reviews (Compiled from typical feedback)

⭐️⭐️⭐️⭐️⭐️
"Robust and smooth in operation. The thumbturn is a game changer for easy access at home."

⭐️⭐️⭐️⭐️
"Great product for the price. Installed easily on a uPVC door. Solid feel and quality finish."

⭐️⭐️⭐️⭐️⭐️
"Exactly what we needed for our care facility. Keyless internal locking is very helpful."

Conclusion

The Sterling Thumbturn Euro Cylinder range delivers a comprehensive selection of high-performance locking solutions tailored for both commercial and residential applications. Engineered with solid brass bodies, advanced 5-pin tumbler mechanisms, and anti-pick mushroom pins, each cylinder offers dependable security and long-lasting durability. With multiple size configurations ranging from compact 60mm models to extended 100mm variants, and a choice of bright nickel or polished brass finishes, the range is designed to meet diverse door requirements and aesthetic preferences. Whether upgrading existing locks or specifying new installations, Sterling Thumbturn Euro Cylinders provide a reliable, easy-to-operate, and secure option that ensures peace of mind without compromising on quality or affordability.