8400 SERIES
8400 SERIES
8400 SERIES
8400 SERIES
8400 SERIES

High Security Locks

The 8400 Series is designed for use in government applications and high-value safes. These three-wheel locks provide mechanical durability and over 1,000,000 possible combinations for superior, long-lasting security.

Group 1: 8410 Series and 8415 Series
Certified for highest security needs
More than two hours of manipulation resistance to keep documents safe

Group 1R: 8430 Series and 8435 Series
Tested against radiological attack for 20 man-hours

Setting the Standard for High Security

For over 160 years, S&G has been providing locking solutions that protect the assets we value most.

  • Features
  • Product Options
  • Resources
SECURITY

SECURITY

  • Tested against expert manipulation for 20 man-hours.
  • Patented S&G torque adjuster enhances security by maintaining proper wheel pack tension.
  • Integral relock trigger thwarts punch attacks.
DURABILITY

DURABILITY

  • Double thickness brass lever.
  • Metal (brass and aluminum) wheels in the Group 1 version for long, dependable life.
  • Acetal resin wheels in the Group 1R version for radiological attack resistance.
FLEXIBILITY

FLEXIBILITY

  • Centi-Spline dials allow mounting right-hand, left-hand, vertical-up or vertical-down.
RETROFIT

RETROFIT

  • S&G's Magic Module footprint matches the mounting dimensions of most mechanical and electronic safe locks.
CERTIFICATIONS

CERTIFICATIONS

WARRANTY

WARRANTY

DIAL AND RING FEATURES

DIAL AND RING FEATURES

Spyproof
Non-Key Locking Dial
Small Knob
Front Reading

Dial and Ring Finishes

Dial and Ring Finishes

Black and White