WILKA 1400 K423 Euro Cylinder 35/60mm Brass Class C EN 1303 Anti-Burglary

Product Overview

The WILKA 1400 K423 35/60 brass cylinder insert is a high-security double cylinder for door locks, meeting EN 1303:2015 and WQ-ITB class C burglary resistance standards. Designed for use in high-risk residential and commercial environments, its construction features six tumblers and specially hardened brass and steel pins, providing both advanced manipulation protection and approved usage in fire-resistant doors.

The most distinguishing feature of this cylinder is its class C anti-burglary certification and test-proven resistance to drilling and mechanical attack for up to 10 minutes. This ensures a strong defense for property managers, commercial facility operators, and security specifiers who require certified, trackable access control and minimization of key duplication risk, as key copying is only possible with the included security card. Highly recommended for doors in sensitive areas where regulatory compliance and long-term durability are required, such as public offices or premium apartment complexes.

Key Features

• Anti-picking mushroom pins ? advanced protection against lock manipulation methods


• Hardened nickel-coated brass and steel pins ? increased resistance to drilling and wear


• Paracentric key profile ? enhances resistance to picking and unauthorized opening


• Certified to EN 1303:2015 ? class C protection, 6th grade security code, highest corrosion resistance C


• Tested to 100,000 cycles ? superior mechanical durability for intensive use


• Key duplication restricted ? only with security card at authorized centers


• Compatible with Master Key and One-Key systems ? available on special order

Technical Specifications

• Cylinder Length: 35/60 mm


• Material: Brass, steel, nickel coating


• Pin System: 6 tumblers


• Key Type: 3 milled keys included


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


• Burglary Resistance: WQ-ITB class C


• Durability: 100,000 cycles


• Fire Door Approval: Yes


• Corrosion Resistance: Grade C


• Finish Options: Brass (standard); Nickel, Black (special order)

Applications

Used in commercial facilities, residential buildings, and high-security doors, including fire-rated installations. Suited for main entrances, apartments, office doors, and locations requiring burglary resistance class C and strict key duplication control. Recommended for property management, public administration, and sectors with regulated security access.

Packaging & Shipping

Each cylinder comes in a sealed, tamper-evident box including the cylinder, 3 milled keys, mounting screw, and a security card for key duplication. Standard export cartons are used for bulk and OEM orders.