Mul-T-Lock

Mul-T-Lock MT5 Door Cylinder

★★★★½ 4.6/5 Editorial Score
Estimated Price
$128.99 $157.99 Save 18%
Editor's Pick
Overall Score4.6 / 5.0
Editorial Verdict

The Mul-T-Lock MT5 Door Cylinder is an excellent investment for those prioritizing high-level security and long-term durability. While it carries a premium price, the advanced technology and robust build quality justify the cost. Its modular design and key control features make it ideal for both residential and commercial applications where safety is paramount.

Disclosure: This page contains affiliate links. We may earn a commission, at no extra cost to you.

  • Patented telescopic pin technology for enhanced pick resistance
  • Bump-proof and drill-resistant design
  • Restricted key duplication with patented key profile
  • Modular design allowing easy cylinder replacement
  • High-quality brass construction with corrosion resistance
  • Compatible with Euro profile door fittings
  • Supports master key systems for advanced access control
Score Breakdown
How this product performs across our editorial criteria.
Build Quality
98
Security
98
Ease of Install
87
Value
94
Design
98
Pros & Cons Balance
Distribution of strengths versus drawbacks identified in this review.
Strengths 7
Drawbacks 3
Strengths
  • Exceptional security against lock picking and drilling
  • Durable and weather-resistant materials
  • Smooth key operation with minimal wear over time
  • Advanced key control to prevent unauthorized duplication
  • Modular design simplifies maintenance and upgrades
  • Widely trusted by security professionals worldwide
  • Compatible with master key systems for flexible access management
Drawbacks
  • Higher price point compared to standard cylinders
  • Requires professional installation to ensure optimal security
  • Restricted keys may be inconvenient for some users due to limited duplication options

Full Review

The Mul-T-Lock MT5 Door Cylinder is a premium high-security locking solution designed for residential and commercial doors requiring enhanced protection. Engineered with patented key control technology, this cylinder provides outstanding resistance against picking, drilling, and unauthorized key duplication. Its modular design allows for easy customization and replacement without compromising security. The MT5 cylinder comes with a unique telescopic pin mechanism that increases its pick resistance and ensures smooth operation over a long lifespan. Additionally, the lock features bump-proof and drill-resistant components, making it ideal for environments prone to forced entry attempts.

Ideal for homeowners and businesses seeking advanced key control, the Mul-T-Lock MT5 Cylinder includes a restricted key profile that prevents unauthorized key copying. Its robust brass construction with anti-corrosion treatment allows it to withstand harsh weather conditions, making it suitable for both indoor and outdoor use. The cylinder is compatible with Euro profile doors and can be integrated with existing Mul-T-Lock security systems for enhanced master key management. Overall, it is a reliable and durable option that does not compromise convenience for security.

Check Live Price on AliExpress →

Disclosure: This page contains affiliate links. We may earn a commission, at no extra cost to you.

Reader Notes

James R. March 2025
★★★★★
Top-notch security and quality
I've installed the MT5 cylinder on my front door and couldn't be happier. The build quality is impressive, and the lock feels very secure. The key turns smoothly, and I appreciate the key control feature that prevents unauthorized copies.
Linda M. January 2025
★★★★☆
Great security but pricey
This lock offers excellent protection and peace of mind, but it is a bit expensive compared to other cylinders. Installation required a locksmith, but the overall performance has been worth it.