WILKA 1400 K423 Euro Profile Cylinder 30/40mm Class C EN 1303 Nickel Matte

Product Overview

The WILKA 1400 K423 30/40 nickel matte double cylinder insert is a Class C security Euro profile cylinder, primarily used in residential and commercial door locking assemblies. It is engineered for intensive use in access control environments requiring the highest resistance to tampering and break-in attempts, and holds EN 1303:2015 and WQ-ITB C burglary resistance certifications. Its construction, with hardened steel and brass pins treated with a nickel coating, ensures durability over more than 100,000 operating cycles.

This model's defining feature is its advanced anti-manipulation security: a paracentric keyway combined with mushroom pins and hardened steel inserts delivers maximum manipulative attack resistance as certified at the top score of 6 in EN 1303. For facility managers of high-traffic commercial properties or projects specifying fire-rated doors, this cylinder is especially recommended due to its fire approval and strict key duplication control, reducing unauthorized access risk.

Key Features

• 6-pin mechanism ? enhanced security with complex key coding and paracentric profile


• Mushroom pins ? anti-picking design increases unauthorized access resistance


• Hardened steel and brass pins ? with nickel coating for drill resistance and durability


• Certified EN 1303:2015, grade 6 ? top resistance to manipulation and mechanical attack


• Over 100,000 cycles tested ? highest certified durability for intensive use


• Class C burglary resistance (WQ-ITB) ? meets demanding security projects


• Key duplication only with code card ? prevents unauthorized key copying

Technical Specifications

• Length: 30/40 mm


• Material: Brass and steel, nickel coated


• Pin Count: 6


• Finish: Nickel matte


• Certification: EN 1303:2015 (1 6 0 B 0 C 6 D)


• Burglary Resistance: Class C (WQ-ITB)


• Corrosion Resistance Grade: C


• Durability: 100,000 cycles minimum


• Key Profile: Paracentric


• Key Quantity: 3 cut keys included


• Fire Door Approval: Yes

Applications

Used in residential and commercial buildings, institutional premises, and facility access control. Recommended for entrance doors, fire-rated doors, and projects requiring maximum resistance to picking, drilling, and forced entry. Suited for both new installations and retrofits where certified security is essential, such as schools, offices, and high-security zones.

Packaging & Shipping

Each cylinder is sealed in tamper-proof export packaging and supplied with 3 cut keys, a mounting screw, and a unique code card for key duplication. Packaging ensures original condition and meets security requirements for certified locking devices.