ASTRA Lock Cylinders Black Thumb Turn

Quotation Form

Security / Protection Features

  • Snap Resistant dual-material steel core (listed as +49% resistance to extraction/tearing).
  • High resistance to bumping
  • High drill resistance (hardened steel key biting system / hardened components).

Technical Features (Cylinder)

  • 11-pin key biting system (6 active + 5 passive).
  • Brass body + brass plugs.
  • Pins: carbonitrided / casehardened steel.
  • Drivers: hardened steel.
  • Springs: bronze + steel.

Key specs

  • Flat, reversible (non-handed insertion).
  • Nickel-plated brass key material.
  • Numerical code on key bow / numbered head.

Supplied As Standard

  • 3 keys
  • Instruction Card
  • Fixing screw

Standards & Ratings

  • EN 1303:2005 compliant
  • Key Related Security: 6
  • Attack Resistance: 1
  • Durability: 6

Performance / Keying Capacity

  • Over 1,600,000,000 key combinations
  • Example master-keying potential: ~63,000 different

Cylinders For One Master Key

  • Tested up to 100,000 cycles