Dutch SKG*** Three-Star Quality Mark: 5-Minute Heavy Burglary Tool Resistance
Engineering Overview: Engineering analysis of the Dutch SKG*** 3-star rating, requiring lock cylinders to resist 5 minutes of destructive power tool attacks.
Technical & Engineering Specifications
| Rating Tier | SKG*** (Three Stars - Maximum Heavy Resistance) |
|---|---|
| Pulling Force | >= 15 kN Extraction Resistance |
| Attack Duration | 5 Minutes Continuous Heavy Burglary Attack |
| Certification Body | SKG-IKOB Quality Mark (Netherlands) |
The Prestigious Dutch SKG Standard
The Dutch testing institute SKG-IKOB certifies lock security in 1, 2, and 3-star ratings.
SKG*** 3-Star Criteria
- 5-Minute Burglar Resistance: Withstands 5 minutes of heavy tool attacks (crowbars, high-torque drilling, and core extraction).
- Anti-Snap Mandate: Must resist lock snapping without auxiliary security handle plates.
- Key Combinations: Minimum 100,000 differs with anti-picking protection.
Frequently Asked Engineering & Selection Questions
Q1: What does an SKG 3-star rating indicate on a lock?
It is the highest Dutch security rating, certifying that the cylinder alone resists heavy burglary and drilling attacks for at least 5 minutes.