Shipping Container Lock Box

A shipping container lock box is a heavy-duty steel enclosure that shields your padlock shackle from bolt cutters, angle grinders, and tampering. It is one of the most affordable shipping container security options available — bolt-on installation, no welding, fits all standard 20' and 40' containers.

What it does: Covers your padlock completely, blocking cutting tools from reaching the shackle. A standard padlock alone can be breached in under 10 seconds. A container lock box eliminates that vulnerability.

Who needs this: Job sites, farms, residential properties, and commercial lots — anywhere you're storing tools, equipment, or inventory in a shipping container.

Our Quality Guarantee

Lifetime customer support for as long as you own it.

Specifications

Delivery

The lock box ships with your container order at no extra shipping cost, and arrives with your container. Lock boxes are not sold on their own.

How It Works

Standard container padlock boxes leave the shackle exposed — bolt cutters can breach one in under 10 seconds. A container security box bolts directly to the doors, enclosing the padlock inside a steel housing where cutting tools can't reach the shackle. The recessed bolt design resists prying as well.

Installation

No welding equipment or special skills required.

Tools needed: Electric drill, 5/8" drill bit (or stepped), 3/4" socket wrench, measuring tape, marker.

1. Position the lock box at preferred height (42"–60" from ground)
2. Mark drill holes using the backing plate as a template
3. Drill through container doors at marked locations
4. Insert carriage bolts through lock box, door, and backing plate
5. Tighten with socket wrench
6. Test by inserting padlock and closing doors

15–20 minutes. Hardware fits standard and high-cube door thicknesses.

Compatibility

Fits standard ISO 20' and 40' shipping containers with traditional swing doors and locking rod handles — New (1-Trip), Multi-Trip, Wind and Water Tight, Cargo Worthy, and most As-Is containers.

Not compatible with: roll-up door modifications, damaged or modified locking rods, or non-standard door configurations. Contact Prime Shipping Containers to confirm if your container has custom modifications.

What's Included

• Lock box enclosure (two-piece, left and right doors)
• Grade 5 carriage bolts (hidden head)
• Backing plates (double as drill templates)
• Washers and mounting hardware
• Installation instructions

Padlock not included. Pair with a heavy-duty disc or shrouded shackle padlock rated for outdoor use.

Why Prime Shipping Containers's Lock Box

Bolt-on design. No welding, no damage to container finish or structure.

Universal fit. Works across all standard container grades and sizes — 20' and 40'.

Weatherproof. Powder-coated steel resists rust for outdoor storage security in all conditions.

Less than the cost of a single theft from your container.

Ships with your container. Add it to your cart with a container and it arrives in the same delivery.

Frequently Asked Questions

1. Do I need a lock box for my shipping container?

A lock box is not mandatory, but it is strongly recommended for security. Standard padlocks leave the shackle exposed and can be cut in seconds. A lock box protects the padlock inside a steel enclosure, significantly reducing the risk of theft.

2. What padlock works with a container lock box?

A heavy-duty disc lock or shrouded shackle padlock designed for outdoor use works best with a container lock box. These locks fit securely inside the enclosure and provide maximum resistance against cutting and tampering.

3. How do I install a container lock box?

Installation is simple and requires no welding. Position the lock box on the container doors, mark and drill holes, then secure it using the included bolts, washers, and backing plates. The process typically takes 15–20 minutes using basic tools like a drill and socket wrench.

4. Will a lock box fit my container?

Yes, this lock box is designed to fit standard 20ft and 40ft ISO shipping containers with traditional swing doors and locking rods. It is compatible with most container grades but may not fit containers with roll-up doors or custom modifications.

5. How much does a shipping container lock box cost?

This shipping container lock box is an affordable upgrade, making it one of the most affordable ways to significantly improve container security.

6. How do shipping container lock boxes work?

A lock box encloses your padlock inside a steel housing mounted to the container doors. This prevents bolt cutters and other tools from accessing the shackle, making forced entry much more difficult compared to using a padlock alone.

7. Do you need a lock box for a shipping container?

While not required, a lock box is one of the most effective upgrades you can add to a shipping container. It provides a strong physical barrier against tampering and is especially valuable for storing tools, equipment, or inventory in unsecured or high-risk areas.