types-functions

Scandinavian External Cylinder Modules with Hardened Anti-Drill Faceplates

Engineering Overview: Technical guide on Scandinavian external oval lock modules featuring 65 HRC drill barriers and through-bolt anchoring.

Technical & Engineering Specifications

Material Solid Brass & Tungsten
Mounting Twin M5 High-Tensile Bolts
Standard SS 3522 Class 3 / EN 1303
Drill Resistance > 10 min Cobalt Drill Rig

Nordic Modular Lock Architecture

Scandinavian locksets separate external and internal cylinders into independent modules (SS 3522 Class 3).

Frontal Drill Defense

  • Tungsten Face Shield: Sintered carbide disc shields Pin Chamber 1 against high-speed cobalt drill bits.
  • Through-Bolts: Twin M5 steel bolts clamp the external module from the interior.

Frequently Asked Engineering & Selection Questions

Q1: What is the primary engineering feature of this cylinder?

Technical guide on Scandinavian external oval lock modules featuring 65 HRC drill barriers and through-bolt anchoring.