WILKA 1400 K423 Euro Cylinder Lock Insert 35/40mm Class C Satin Nickel EN 1303

Product Overview

The WILKA 1400 K423 35/40 double cylinder lock insert provides high-security access control for commercial and residential door systems, especially where advanced resistance to manipulation and physical attack is required. It meets the EN 1303:2015 standard at the highest security and durability levels (code 1 6 0 B 0 C 6 D), and is rated burglary resistance class C according to WQ-ITB, suitable for use in fire-resistant doors.

Unique to this model is the combination of a 6-pin paracentric profile and multi-material hardened pins ? with both steel and brass elements treated with nickel plating ? which directly improves resistance to drilling and picking attacks. This design simplifies compliance for projects requiring security class C and facilitates procurement for certified installations in office buildings, institutions, and high-value residential properties.

Key Features

• 6-pin paracentric profile ? maximum manipulation resistance per EN 1303:2015, code 6


• Nickel-plated steel and brass pins ? enhanced hardness for drill resistance and longevity


• Antipicking mushroom pins ? added barrier against lock picking methods


• Burglar resistance class C ? highest security for commercial and institutional projects


• Certified 100,000 test cycles ? ensures mechanical durability for high-traffic environments


• Available for fire-rated doors ? certified for use in fire-resistant door assemblies


• Reproducible keys only with security card ? controls unauthorized key duplication

Technical Specifications

• Model: 1400 K423


• Cylinder Size: 35/40 mm


• Security Grade: C (WQ-ITB), EN 1303:2015 1 6 0 B 0 C 6 D


• Pin Construction: 6 pins, steel and brass, nickel-plated


• Antipicking System: Mushroom pins


• Drill Resistance: Hardened steel pins in body and plug


• Key Profile: Paracentric, special cut profile


• Cycling Durability: 100,000 cycles, grade 6


• Corrosion Resistance Grade: C


• Key Duplication: Security card required, authorized service only


• Fire Door Approval: Yes


• Finish: Satin nickel

Applications

Designed for door locks in commercial, office, institutional, and high-security residential environments. Certified for fire-rated and anti-burglary doors in public buildings, schools, healthcare facilities, and financial institutions. Ensures compliance for projects with regulated access control and key duplication restrictions, particularly where EN 1303 and resistance class C are mandated.

Packaging & Shipping

Each lock insert is factory-sealed in a tamper-evident box and includes the cylinder, three profile keys, and a mounting screw. All packaging is intact and labeled with certification details to ensure security and traceability during shipping.