Łucznik E8 40/50 Cylinder Lock Insert 6.D Certified Anti-Bumping Satin Nickel

Product Overview

The Łucznik E8 40/50 cylinder lock insert is engineered to meet demanding security requirements in both commercial and residential door applications. Certified to 6.D standard with anti-burglary class C and supplied with a certificate from the Instytut Mechaniki Precyzyjnej, it is suitable for use in fire-rated, internal, or external doors. Its brass construction and available finishes of satin nickel or brass ensure long-term durability and compatibility with varied design schemes.

The most distinctive feature of this SKU is the integration of advanced anti-bumping and anti-snap mechanisms, including a self-locking function that immobilizes the core during attempted tampering. This design directly addresses forced entry and manipulation risks, providing enhanced assurance for facility managers or procurement officers handling high-security or multi-tenant buildings. The option to configure Master Key or Keyed-Alike systems further recommends this product for projects requiring centralized access control, such as large residential complexes or institutional facilities.

Key Features

• 6.D security certification ? meets high anti-burglary standards for professional applications


• Anti-bumping and anti-snap mechanisms ? core automatically self-locks during tampering attempts


• Brass construction ? ensures high mechanical durability and corrosion resistance


• Mechanical endurance ? tested for over 100,000 operating cycles


• Fire door compatibility ? approved for use in fire-rated doors


• Master Key/Keyed-Alike ready ? supports efficient access hierarchy setups for large buildings


• 5 precision-milled vertical keys ? enhanced copy control with individual code card

Technical Specifications

• Size: 40/50 mm (model; available range 60?200 mm)


• Material: Brass


• Finish: Satin nickel


• Included Keys: 5 precision-milled vertical keys


• Mechanical Endurance: 100,000+ cycles


• Security Class: C


• Attack Resistance: D


• Certification: 6.D


• Compliance Certificate: Instytut Mechaniki Precyzyjnej


• Color Options: Satin nickel, brass


• Manufacturer: Łucznik LOCKPOL (MCM)

Applications

Designed for secure locks in internal, external, and fire-rated doors in residential buildings, offices, hotels, and public institutions. Especially suited for multi-apartment complexes, administrative facilities, and projects needing certified anti-burglary hardware. Compatible with Master Key and Keyed-Alike systems for effective key management in multi-user environments.

Packaging & Shipping

Each unit is packed in a factory-sealed, tamper-evident box including 5 precision-milled vertical keys, a code card for key duplication control, and installation accessories. Only unopened packages are eligible for return due to security protocol.