B-Harko H6 Cylinder Lock 26/36 mm 5-Pin Key Security Class 4 Matte Black EN 1303

Product Overview

B-Harko H6 26/36 mm black cylinder lock is a high-security door cylinder designed for modern residential and commercial interiors requiring robust access control. Certified by the Building Research Institute (ITB) according to the PN: EN 1303:2015-07 standard, it features outstanding durability (class 6) and corrosion resistance (class C) in demanding environments with temperatures ranging from -20°C to +80°C.

The defining feature of the B-Harko H6 is its key security class 4, assuring at least 30,000 unique key combinations?significantly reducing the risk of unauthorized access in multi-user or bulk tenancy scenarios. This model is particularly suited for large-scale property management, new build projects, or facilities seeking certified lock hardware with enhanced security and durability standards.

Key Features

• Certified to PN: EN 1303:2015-07 ? compliance with European lock cylinder norms for B2B procurement


• Class 6 durability ? tested for minimum 100,000 opening/closing cycles for long-term reliability


• Class C corrosion resistance ? operates reliably from -20°C to +80°C, ideal for challenging climates


• Five-pin security ? equipped with 5 security pins against picking and manipulation


• Key security class 4 ? at least 30,000 key combinations to minimize duplication risk


• 15 Nm torque resistance ? prevents forced rotation and break-in attempts


• Solid brass key ? 2.3 mm thick for strength and longevity, minimizing replacement costs

Technical Specifications

• Length: 26/36 mm


• Cylinder Type: 5-pin


• Durability Class: 6 (min. 100,000 cycles)


• Corrosion Resistance: Class C (-20°C to +80°C)


• Key Security Class: 4 (min. 30,000 combinations)


• Torque Resistance: 15 Nm


• Finish: Matte black


• Material: Brass (key)


• Certification: PN: EN 1303:2015-07


• Tested by: ITB (Building Research Institute)

Applications

Commonly used in apartment buildings, offices, retail facilities, and new developments requiring high-security entrance hardware. Suitable for installations in doors exposed to challenging temperatures and humidity due to its corrosion resistance. Approved for projects demanding certified mechanical locking systems, including bulk procurement and facility upgrades.

Packaging & Shipping

Each unit individually boxed with 5 keys, mounting screw, care and installation instructions. Includes certification documents. Aesthetically designed packaging suitable for retail or professional distribution.