Rapid 5-Second SFIC Core Replacement Using 15-Degree Control Keys
Engineering Overview: Step-by-step procedure for inserting and removing Small Format Interchangeable Cores (SFIC) using the 15-degree control key turn.
Technical & Engineering Specifications
| Standard | ANSI/BHMA A156.5 Figure-8 SFIC Standard |
|---|---|
| Procedure | SFIC Core Insertion & Extraction Protocol |
| Swap Duration | Under 5 Seconds per Door |
| Control Rotation | Exact 15° Clockwise Turn to Retract Side Lug |
The 1-Second Core Swap Procedure
SFIC interchangeable cores allow non-technical staff to rekey facilities instantly:
- Insert Control Key: Insert the specialized Control Key into the SFIC figure-8 core.
- Rotate 15° Clockwise: Turn the control key exactly 15° clockwise to retract the internal side retaining lug.
- Extract / Insert: Pull the old core out smoothly; slide the new pre-pinned core in, rotate 15° counter-clockwise, and withdraw the key.
Frequently Asked Engineering & Selection Questions
Q1: What is the key installation rule for this cylinder?
Step-by-step procedure for inserting and removing Small Format Interchangeable Cores (SFIC) using the 15-degree control key turn.