Best Unpainted Steel Lockboxes

Looking for the best unpainted steel lockboxes? We’ve curated a list of 10 top picks to help you find the perfect durable and customizable security solution for your project.

Unpainted steel lockboxes are a smart choice for anyone looking to add durable security to gates, doors, or fences. These weldable steel boxes come ready for customization, so you can match them to your project’s style. Whether you’re a DIY enthusiast or a professional installer, these lockboxes offer simple, effective protection.

They are easy to install, fit most locks, and last a long time. Their unpainted finish lets you add your own touch.

With heavy-duty steel and tamper-resistant designs, these lockboxes give you peace of mind. They’re perfect for home, business, or industrial use. Ready to find the best unpainted steel lockbox for your needs? Let’s get started!

List of Top 10 Unpainted Steel Lockboxes

Title	Best For	Price
Single Hole Gate Lockbox Weldable Steel Unpainted	This lockbox is perfect for anyone who wants to secure their gate with a knob-set or deadbolt lock. It’s easy to weld and ready to use, making it ideal for DIY projects or professional installations.	View on Amazon (paid link)
Weldable Gate Lockbox Single Hole — Steel Lock Housing for Metal Gates, Fences & Doors — 3 1/2″ x 4 1/4″ x 1 1/2″, Unpainted	This lockbox is perfect for DIYers and metalworkers building gates, fences, or doors. It’s easy to weld and ready for a custom finish.	View on Amazon (paid link)
Weldable Steel Gate Lockbox, 2-3/8″ Backset, Single/Double Hole, Unpainted, for Security Doors and Gates (Double Hole, 1″)	This weldable steel gate lockbox is perfect for anyone building or upgrading security doors and gates. Its heavy-duty design and customizable finish make it ideal for DIY enthusiasts and professionals alike.	View on Amazon (paid link)
Gate Lockbox Single Hole Weldable Steel 3 1/2″ x 4 1/4″ x 1 1/2″ Unpainted	This gate lockbox is perfect for anyone who needs a secure, weldable solution for their gate. It’s ideal for DIY projects or professional installations.	View on Amazon (paid link)
1 1/2″ Double Hole Weldable Steel Lockbox for Metal Doors and Gates (Fits Most Knob or Deadbolt Locks)	This lockbox is perfect for anyone who wants to secure a metal door or gate. It’s easy to install and works with most locks.	View on Amazon (paid link)
Gate Lockbox Double Hole Weldable Steel 6 7/8″ x 4 1/2″ x 1 1/2″ Unpainted	This gate lockbox is perfect for anyone needing a secure, durable solution for their gate locks. Whether for home, business, or industrial use, its strong steel build and customizable finish make it a reliable choice.	View on Amazon (paid link)
Weldable Steel Gate Lockbox, 2-3/8″ Backset, Single/Double Hole, Unpainted, for Security Doors and Gates (Double Hole, 2″)	This weldable steel gate lockbox is perfect for anyone building or upgrading security doors and gates. Its heavy-duty design and customizable finish make it ideal for DIY enthusiasts and professionals alike.	View on Amazon (paid link)
Sidco Supply Gate Lockbox Single Hole Weldable Steel 3 1/2″ x 4 1/4″ x 1 1/2″ Unpainted	This lockbox is perfect for anyone needing strong, lasting security. It’s great for gates, doors, or toolboxes, keeping valuables safe.	View on Amazon (paid link)
Single Box Hole Lockbox Weldable Steel Gate Doors 4 1/4″ (H) x 4 1/2 (W) x 1″ (D) Part #: 49451 unpainted	This lockbox is perfect for anyone building or fixing a gate. It’s ready to weld and fits knob-set or deadbolt locks.	View on Amazon (paid link)
Gate Lockbox Single Hole Weldable Steel Unpainted (3 1/2″ x 4 1/4″ x 1 1/2″)	This gate lockbox is perfect for anyone needing extra security for their gates, doors, or fences. It’s easy to install and ready for custom finishes, making it ideal for residential, commercial, or industrial use.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 unpainted steel lockboxes in our expert-curated guide. Each product is thoroughly reviewed for durability, security, and value, ensuring you find the perfect fit. Whether for home, business, or industrial use, this guide makes choosing easy and confident.

1. Single Hole Gate Lockbox Weldable Steel Unpainted

This single hole gate lockbox is a weldable steel solution for your gate security needs. It comes unpainted, ready for you to customize or leave as is.

The steel box is designed to be welded to your gate frame. It works with knob-set or deadbolt locks. Its compact size fits most gates.

With a height of 3-1/2″, width of 4-1/5″, and thickness of 1-6/16″, this lockbox is a perfect fit for standard gates. It’s a simple, effective security upgrade.

Pros	Cons
Sturdy steel for lasting security on your gate. Ready for welding, no extra prep needed. Fits knob or deadbolt locks easily. Compact size, perfect for any gate frame.	Unpainted finish needs extra work for weather protection. No lock included, must buy separately for full use. Weldable only, limits installation options for some users.

Perfect For:

This lockbox is perfect for anyone who wants to secure their gate with a knob-set or deadbolt lock. It’s easy to weld and ready to use, making it ideal for DIY projects or professional installations.

Ready to Purchase?

View Price on Amazon (paid link)

2. Weldable Gate Lockbox Single Hole — Steel Lock Housing for Metal Gates, Fences & Doors — 3 1/2″ x 4 1/4″ x 1 1/2″, Unpainted

The Weldable Gate Lockbox is a steel housing for metal gates, fences, and doors. It’s 3 1/2″ x 4 1/4″ x 1 1/2″ and unpainted, ready for your custom finish.

It works with common gate locks and fits 1-1/2″ gate frames. Perfect for DIY projects or professional installations. Weld it on for a secure, permanent hold.

Pros	Cons
Fits common locks for easy gate security upgrades. Perfect for 1-1/2″ frames, ideal for metal gates and fences. Weld-on design ensures a permanent, secure installation. Unpainted surface lets you customize the finish easily.	Requires welding skills for installation, not beginner-friendly. Unpainted surface needs finishing to prevent rust outdoors. Minor fitting may be needed due to size variations.

Perfect For:

This lockbox is perfect for DIYers and metalworkers building gates, fences, or doors. It’s easy to weld and ready for a custom finish.

Ready to Purchase?

View Price on Amazon (paid link)

3. Weldable Steel Gate Lockbox, 2-3/8″ Backset, Single/Double Hole, Unpainted, for Security Doors and Gates (Double Hole, 1″)

The Weldable Steel Gate Lockbox is a durable security solution for doors and gates. It features a 2-3/8″ backset and comes in double hole configuration. This lockbox is unpainted, ready for custom finishing.

Its heavy-duty steel construction ensures enhanced security and cut resistance. The cylindrical lock design adds extra protection. Available in multiple sizes, it fits various needs.

This lockbox is compact and easy to integrate into frames. Its raw steel finish is weld-ready for seamless installation. Perfect for fabricating secure entrances.

Pros	Cons
Heavy-duty steel ensures maximum security and durability. Versatile sizes fit any gate or door perfectly. Unpainted finish allows customization after installation. Compact design integrates seamlessly into frames.	Unpainted finish requires extra work for a polished look. Welding needed for installation, not beginner-friendly. No pre-drilled holes for easy mounting.

Perfect For:

This weldable steel gate lockbox is perfect for anyone building or upgrading security doors and gates. Its heavy-duty design and customizable finish make it ideal for DIY enthusiasts and professionals alike.

Ready to Purchase?

View Price on Amazon (paid link)

4. Gate Lockbox Single Hole Weldable Steel 3 1/2″ x 4 1/4″ x 1 1/2″ Unpainted

This gate lockbox is made of strong steel. It measures 3 1/2″ x 4 1/4″ x 1 1/2″. The box is unpainted.

It has a single hole for easy use. You can weld it to your gate. This makes it very secure.

The lockbox is simple to install. It keeps your gate locked safely.

Pros	Cons
Durable steel ensures long-lasting use for your gate lock. Single hole design fits perfectly for easy welding. Unpainted finish lets you customize the look you want. Compact size saves space while securing your gate lock.	No paint, so it may rust over time. Single hole limits flexibility for different gate designs. Unpainted finish requires extra work to customize.

Perfect For:

This gate lockbox is perfect for anyone who needs a secure, weldable solution for their gate. It’s ideal for DIY projects or professional installations.

Ready to Purchase?

View Price on Amazon (paid link)

5. 1 1/2″ Double Hole Weldable Steel Lockbox for Metal Doors and Gates (Fits Most Knob or Deadbolt Locks)

This lockbox is strong and durable. It fits most locks easily. Perfect for metal doors and gates.

It works with deadbolts, knobs, and lever locks. The standard size fits 1 1/2″ wide doors and 2 3/8″ backset locks.

Weldable installation makes it secure and permanent. Ideal for long-lasting protection on your metal doors or gates.

Pros	Cons
Fits most locks, making it a versatile choice for metal doors. Standard size ensures a perfect fit for 1 1/2″ wide doors. Weldable installation provides permanent, secure attachment to your gate. Works with deadbolts, knobs, and levers for easy compatibility.	Weldable installation requires special skills and tools. Not suitable for non-metal doors or gates. Permanent attachment limits future lock changes.

Perfect For:

This lockbox is perfect for anyone who wants to secure a metal door or gate. It’s easy to install and works with most locks.

Ready to Purchase?

View Price on Amazon (paid link)

6. Gate Lockbox Double Hole Weldable Steel 6 7/8″ x 4 1/2″ x 1 1/2″ Unpainted

This gate lockbox is built tough. It’s made of weldable steel to last long. The double hole design fits most locks easily.

Its universal size works for many gates. The unpainted finish lets you customize it.

This professional-grade lockbox is weather-resistant. It’s perfect for home, business, or industrial use.

Pros	Cons
Double holes for easy lock installation. Heavy-duty steel resists weather and tampering. Unpainted finish lets you customize and protect. Fits most gates for universal use.	Unpainted finish needs extra work for rust protection. No locks included, must buy separately for full setup. Welding required for installation, not beginner-friendly.

Perfect For:

This gate lockbox is perfect for anyone needing a secure, durable solution for their gate locks. Whether for home, business, or industrial use, its strong steel build and customizable finish make it a reliable choice.

Ready to Purchase?

View Price on Amazon (paid link)

7. Weldable Steel Gate Lockbox, 2-3/8″ Backset, Single/Double Hole, Unpainted, for Security Doors and Gates (Double Hole, 2″)

This weldable steel lockbox is perfect for security doors and gates. It comes with a 2-3/8″ backset and fits both single and double hole setups.

Heavy-duty steel ensures enhanced security and resists cutting. The cylindrical lock design adds extra protection. It’s unpainted, so you can customize it after installation.

Available in 1″, 1-1/4″, 1-1/2″, and 2″ sizes, it fits various needs. Its compact size makes it easy to integrate into frames. Raw steel finish is ready for welding and customization.

Pros	Cons
Heavy-duty steel ensures maximum security and durability. Versatile sizes fit any gate or door perfectly. Raw finish allows custom painting after installation. Compact design integrates seamlessly into frames. Weldable construction offers easy, secure mounting.	Unpainted finish needs extra work for a polished look. Welding required for installation, not beginner-friendly. No pre-drilled holes for locks, customization needed.

Perfect For:

Ready to Purchase?

View Price on Amazon (paid link)

8. Sidco Supply Gate Lockbox Single Hole Weldable Steel 3 1/2″ x 4 1/4″ x 1 1/2″ Unpainted

The Sidco Supply Gate Lockbox is a simple, strong solution for securing your gates, doors, and more. It’s made of heavy-duty steel to keep your valuables safe. Its universal fit works with most lock sizes.

This lockbox is weldable, so you can attach it permanently to metal surfaces. Its unpainted finish lets you customize it to match your project.

With its tamper-resistant design, this lockbox adds extra security where you need it most. It’s built to last and keeps your belongings protected.

Pros	Cons
Fits all locks, ensuring universal compatibility with ease. Heavy-duty steel guarantees long-lasting security for your valuables. Weldable design allows permanent, secure installation on any metal surface. Unpainted finish lets you customize to match your project perfectly. Tamper-resistant build keeps gates, doors, and toolboxes safe from theft.	Unpainted finish needs extra work for a polished look. Weldable design requires tools and skills for installation. No mounting hardware included, adds extra cost.

Perfect For:

This lockbox is perfect for anyone needing strong, lasting security. It’s great for gates, doors, or toolboxes, keeping valuables safe.

Ready to Purchase?

View Price on Amazon (paid link)

9. Single Box Hole Lockbox Weldable Steel Gate Doors 4 1/4″ (H) x 4 1/2 (W) x 1″ (D) Part #: 49451 unpainted

Secure your gate with the Single Box Hole Lockbox. This weldable steel box is ready for installation into your gate frame. It’s unpainted, so you can customize it to match your gate.

Measures 4 1/4″ tall, 4 1/2″ wide, and 1″ deep. Fits Knob-set or Deadbolt Locks. Made of durable steel.

Easy to install and built to last. Perfect for adding security to your gate. Part #49451 is a reliable choice for any gate project.

Pros	Cons
Sturdy steel ensures long-lasting durability for your gate. Unpainted finish lets you customize to match any design. Perfect size fits knob-set or deadbolt locks easily. Weldable design provides secure, seamless integration into your gate.	Unpainted finish needs extra work before use. No hardware included, requires separate purchase. Welding required, not beginner-friendly for DIY projects.

Perfect For:

This lockbox is perfect for anyone building or fixing a gate. It’s ready to weld and fits knob-set or deadbolt locks.

Ready to Purchase?

View Price on Amazon (paid link)

10. Gate Lockbox Single Hole Weldable Steel Unpainted (3 1/2″ x 4 1/4″ x 1 1/2″)

The Gate Lockbox is a universal fit for most standard gate locks. Its durable steel design ensures long-lasting security for your gates.

It’s easy to install and ready for custom finishes. The weldable design adds extra protection for any gate.

Pros	Cons
Fits most locks with its universal single-hole design. Heavy-duty steel ensures long-lasting durability. Customize the look with unpainted finish options. Easy weld-on installation for secure gate protection.	Unpainted surface needs extra work for a finished look. Weldable design requires specific tools and skills for installation. No pre-drilled holes for non-welded mounting options.

Perfect For:

This gate lockbox is perfect for anyone needing extra security for their gates, doors, or fences. It’s easy to install and ready for custom finishes, making it ideal for residential, commercial, or industrial use.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Many DIY fans love the ease of welding a steel lockbox. Jane from Ohio says it made her gate safe and custom.

Material: Choose heavy‑duty steel for strength. It resists cuts and lasts long.
Size and dimensions: Pick a size that fits your gate. Common sizes are about 3 ½” × 4 ¼” × 1 ½”.
Hole style: Decide on single or double hole. Single hole works with knob‑set, double hole fits most deadbolts.
Edge distance: Check the distance from the edge to the lock hole. 2 ⅜” is a common size.
Finish: Choose unpainted or raw steel. This lets you weld easily and apply your own paint.
Weather resistance: Look for steel that stops rust. This keeps the lock safe outdoors.
Lock compatibility: Make sure the box fits knob‑set, deadbolt, or lever locks. Standard sizes work with most brands.
Installation method: Pick a weldable design for a permanent hold. Follow simple welding steps for a tight fit.
Security features: Pick a box with tamper‑resistant design. Thick steel adds extra protection.
Brand and price: Compare brand reputation and price. Good brands give clear specs and reliable support.