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NG Pins Detected

Resolve NG pins before adding to Hierarchy List.

Control Key Locked

Control Key is locked because keys have been added to the Hierarchy List.

To modify the Control Key, first clear all items from the Hierarchy List using "Clear All".

⚠️ 8C04 Code Generator – Program Disclaimer (Beta)

Version: v1.16.0

This program is provided by EDM Solutions Ltd. as a free Beta Testing tool for use by licensed locksmiths and qualified security professionals only.

  • The program is provided "AS IS" and "AS AVAILABLE."
  • All use is at the user's own risk.
  • Generated results are for reference and planning purposes only and must be independently reviewed, verified, and physically tested before use.
  • EDM Solutions Ltd. does not collect, store, or retain any data generated by this program. Users are solely responsible for saving, backing up, and maintaining all results. Any data loss without backup may result in permanent loss.
  • This program is exclusively for the 8C04 system only and is not compatible with other systems unless explicitly stated.
  • As a Beta version, the program may contain errors or incomplete logic. Users are encouraged to report issues for improvement, but no fixes or support are guaranteed.
  • To the maximum extent permitted under U.S. and Canadian law, EDM Solutions Ltd. assumes no liability for any damages, losses, or claims arising from the use or misuse of this program or its outputs.

By using this program, you acknowledge and accept these terms. If you do not agree, do not use the program.

8C04 GMK Generator

CK: ——————
Qty
No keys yet.
Bow to Tip 1 2 3 4 5 6
Control
Key
GMK
Key
Master
Key
Operate
Key
Top
Pin
Control
Pin
GMK
Pin
Master
Pin
Bottom
Pin
GMK: —
Total added: 0
MK: —
Total added: 0
KD: —
Total added: 0
Step 1: Generate Pinning Chart →→→
Step 2: Add GMKs →→→
Step 3: Add MKs →→→
Step 4: Add KDs →→→
Ready.
Step 1. Save Build:
COPY Codes below or QR code to save your current Key Build.
Step 2. Load Build:
PASTE Codes below and press Load. Or Scan your Saved QR code to load Key Build.

Loading will replace the current Hierarchy List.

Project Overview

System Summary

Total GMKs: 0
Total MKs: 0
Total KDs: 0
Total Unique Keys: 0
Average KDs per MK: 0

Hierarchy Structure Code Count

GMK MK Total Added KD
No data yet

Total Pin Counts

Top Pin Count Bottom Pin Count
TP020 BP010
TP030 BP020
TP040 BP030
TP050 BP040
TP060 BP050
TP070 BP060
TP080 BP070
TP090 BP080
TP100 BP090
TP110
TP120
TP130
TP140
TP150
TP160

Key Bitting Statistics

Bitting Count Percentage
100%
200%
300%
400%
500%
600%
700%
800%
900%

Project Documentation

—
Step 1 Tips
Tip 1: Random Generate GMK chart and Random Generate Control Key independently.
Tip 2: Delete and Clear all key codes from Hierarchy List to create new Chart.
Step 2 Tips
GMK Counter counts Total available GMK from this chart and total added GMKs to Hierarchy List.
Tip 1: Cycle through all available GMK bittings with Previous GMK and Next GMK buttons.
Tip 2: Save selected Bitting to Hierarchy List with Save GMK. or toggle auto-add GMK to save while cycling through code progression.
Step 3 Tips
MK Counter counts Total available MK from this chart and total added MKs to Hierarchy List.
Tip 1: Cycle through all available MK bittings with Previous MK and Next MK buttons.
Tip 2: Save selected Bitting to Hierarchy List with Save MK. or toggle auto-add MK to save while cycling through code progression.
Step 4 Tips
KD Counter counts Total available KD from this chart and total added KDs to Hierarchy List.
Tip 1: Cycle through all available KD bittings with Previous KD and Next KD buttons.
Tip 2: Save selected Bitting to Hierarchy List with Save KD. or toggle auto-add KD to save while cycling through code progression.

8C04-SFIC GMK Generator

8C04-SFIC GMK Generator

The 8C04-SFIC GMK Generator is a professional planning tool designed to support structured Grand Master Key system design within the 8C04-SFIC hybrid platform. It provides a centralized environment to explore, test, and organize key systems before physical implementation.

This program is currently available in Beta and free to use.

Who this tool is for

  • Professional locksmiths
  • Institutional security integrators.
  • Distributors and technical consultants
  • Facilities managing large SFIC key systems

What the GMK Generator helps you do

The GMK Generator is built to support early-stage planning and system validation, helping users visualize hierarchy structure, identify conflicts early, and reduce redesign cycles during key system development.

It is intended as a design and planning aid, not a replacement for professional verification or field testing.

Why 8C04-SFIC

The 8C04-SFIC platform bridges familiar Schlage-style key systems with SFIC compatibility, allowing Security integrators to work within known convention hardwares while expanding system flexibility.

Common SFIC GMK Design Mistakes

Common SFIC GMK Design Mistakes

Many SFIC Grand Master Key systems fail not because of hardware, but because of planning errors made early in the design process. These mistakes often remain hidden until pinning, expansion, or future rekeying exposes them.

Below are some of the most common issues encountered in real-world SFIC systems.

Common issues

Overlapping hierarchies
Poor separation between GMK, MK, and KD levels leads to limited expansion and unexpected conflicts.

Inconsistent progression logic
Unstructured progression increases the risk of infeasible combinations later in the system lifecycle.

Designing without visual hierarchy
Without a clear overview, systems become difficult to audit, explain, or extend.

Locking into a system too early
Many problems occur when systems are physically pinned before the hierarchy is fully explored.

How to reduce risk

Early-stage planning tools allow designers to explore structure, identify conflicts, and adjust hierarchy before committing to production.

This is where planning tools like the 8C04-SFIC GMK Generator are most valuable.

BEST vs Schlage SFIC vs 8C04-SFIC

BEST vs Schlage SFIC vs 8C04-SFIC

SFIC systems are widely used across institutional and commercial environments, but not all SFIC platforms approach compatibility, planning flexibility, or system growth the same way.

Understanding these differences is critical when designing scalable master key systems.

Key System comparison

BEST SFIC
Well-established, widely supported, but often rigid when adapting to non-native systems.

Schlage-style systems
Familiar progression logic and widespread adoption, but traditionally separate from SFIC formats.

8C04-SFIC
Designed as a hybrid approach, allowing Schlage-style planning logic within an SFIC-compatible platform, reducing friction between planning and implementation.

Why planning matters more than hardware

Regardless of platform, long-term success depends on system structure, documentation, and foresight not just the core itself.

Tools that support early visualization and hierarchy testing help prevent long-term limitations.