B-Harko H6 Cylinder Lock 26/26 mm Brass 5-Pin Class 4 Security EN 1303 Certified

Product Overview

The B-Harko H6 26/26 mm brass cylinder lock is used in residential and commercial doors requiring enhanced security and durability. Certified by the Building Research Institute (ITB) according to PN: EN 1303:2015-07, this cylinder meets the demands of modern interiors and projects where high performance is critical.

Its distinction lies in class 6 durability and class C corrosion resistance, supporting at least 100,000 operating cycles and a working temperature range from -20°C to +80°C. This minimizes maintenance risks and ensures reliable function in challenging environments such as multi-unit residential, high-traffic office, and institutional installations.

Key Features

• Class 6 durability ? tested for minimum 100,000 lock/unlock cycles


• Class C corrosion resistance ? suitable for temperature ranges from -20°C to +80°C


• High-security key system ? class 4 protection with 30,000 key combinations


• Brass construction ? 5-pin barrel ensures stable mechanical security


• Torque resistance ? cylinder withstands up to 15 Nm of turning force


• Solid brass keys ? 2.3 mm thick for enhanced wear and strength


• PN: EN 1303:2015-07 certified ? compliance verified by Building Research Institute (ITB)

Technical Specifications

• Standard Length: 26/26 mm


• Material: Brass


• Pin Count: 5 pins


• Certification: PN: EN 1303:2015-07


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


• Corrosion Resistance: Class C


• Temperature Range: -20°C to +80°C


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


• Torque Resistance: 15 Nm


• Keys Included: 3


• Key Thickness: 2.3 mm

Applications

Primarily used in internal and external doors of residential complexes, office buildings, and institutional facilities demanding high durability and security. Suitable for projects requiring certified locks under PN: EN 1303:2015-07, such as property management bulk procurement, OEM door manufacturing, or environments exposed to temperature fluctuations and corrosion risk.

Packaging & Shipping

Each unit is packed in a visually attractive box containing the cylinder lock, three solid brass keys, mounting screw, and maintenance and installation instructions. Certification documents are provided as attachments. Bulk shipments for OEM or facility projects available upon request.