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Fort Knox Safes® Vault Door IS8240
Specs
Exterior Dimensions | 85" x 45" |
Rough Opening | 82" x 40" |
Weight | 1310 lbs. |
Door edge thickness | 5/8″ |
Frame thickness | 3/16″ |
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Fort Knox In-Swing Vault Door 8240
Discreet Security for Smaller Vault Rooms
The 8240 In-Swing Vault Door from Fort Knox is the ideal solution for panic rooms, storm shelters, or walk-in vaults where space inside the room is limited. Its compact width and in-swing configuration allow you to secure a room without needing clearance to swing the door outward.
Built with Fort Knox’s trusted engineering, this model includes 19 locking bolts and a 5/8" reinforced door edge—all backed by a solid 3/16” steel frame and a clean, low-profile design.
Key Features
- Recommended for: Panic rooms, storm shelters, and secure rooms with tight interior clearances
- Door Edge Thickness: 5/8"
- Steel Frame Thickness: 3/16"
- Locking Bolts: 19 massive 1.5" bolts secure the door around the perimeter
- Swing Direction: Left or Right (based on hinge placement when facing the door from outside)
Specifications
- Rough Opening: 82" H x 40" W
- Exterior Frame: 85" H x 45" W
- Door Leaf Size: 75" H x 30" W
- Weight: 1,310 lbs
Includes: Hinge caps, pull handle, and limited lifetime warranty
📍 Available now at Northwest Safe — Proudly serving WA, OR, ID, and MT
Vault Door Buying Checklist

Delivery & Installation
Many big box stores only offer curbside delivery. In theory, this can seem like a really affordable option. After all, a few buddies, a case of beer, and a heavy-duty project is a great combination — right?