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A mechanic organizing tools inside a locked drawer of a rolling tool cabinet.

US General Tool Chest Lock

This category covers direct replacement locks, cylinders, and full latch sets designed for US General tool chests, cabinets, and carts. Compare options to restore security, fix broken mechanisms, or upgrade your storage’s locking capability.
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Essential Replacement Locks for Every Need

New

US General Tool Box Lock Replacement Cylinder, Silver Cylinder with Keys

A straightforward silver cylinder lock provides a universal fix for lost keys or simple lock failures. It’s a direct, no-fuss replacement that fits standard mounting holes on toolboxes, file cabinets, and mailboxes, restoring secure access with matching keys.
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A new, single silver cylinder lock with two keys displayed next to it.
A black toolbox drawer lock mechanism shown in its packaging.
New

US General Toolbox Drawer Lock Box, Direct Replacement for Secure Storage

This direct replacement lock ensures your tool drawers stay closed and protects their contents from damage. It’s a focused solution for a single-drawer repair, providing a secure fit and straightforward installation to keep your storage reliable.
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New

US General Pro Tool Box Latch and Lock Replacements, 6-Piece Black Set

A 6-piece set of black latch and lock replacements is designed for easy installation on first and second generation US General Pro tool boxes. This complete kit allows you to refresh the entire locking system on multiple drawers at once for consistent performance.
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A complete 6-piece set of black tool chest latch and lock components.
A silver multi-purpose cylinder lock with a key inserted, resting on a blueprints surface.
New

US General Tool Box Lock Replacement Cylinder, Multi-Purpose Silver with Keys

A multi-purpose silver cylinder lock suitable for cabinets, drawers, file cabinets, mailboxes, and toolboxes. It comes supplied with matching keys, making it a versatile security solution for various storage needs around the shop, garage, or office.
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GVDCC Black Mortise Locks for US General Cabinets, 2-Pack Keyed Alike

This 2-pack of keyed-alike mortise locks offers a practical solution for securing multiple storage points with a single key. Designed for a standard 3/4 inch mounting hole, these black locks are suited for RV compartments, general storage cabinets, and tool cart sections where consistent, keyed-alike security is needed without complex installation.
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A pair of black keyed-alike mortise locks with keys, presented on a dark background.

Top Picks for Security Upgrades

These locks and mechanisms are chosen for specific needs, from full-drawer security upgrades to specialized keyed-alike sets for compartmental storage. Explore options that go beyond basic replacement.
Two black keyed-alike mortise locks with their keys, arranged side by side.

GVDCC Black Toolbox Lock for US General Cabinets, 2-Pack Keyed Alike

A 2-pack of keyed alike mortise locks with keys, designed for a 3/4 inch mounting hole. These are ideal for securing multiple compartments on RVs, storage units, and tool cart sections where consistent, keyed-alike security is needed.
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A close-up of a 3D printed PETG drawer lock mechanism installed on a drawer slide.

2Pcs Tool Cart Drawer Lock for US General, 3D Printed PETG Security Upgrade

A 3D printed PETG security upgrade replacement locking mechanism helps keep tool cart drawers securely closed during movement and storage. This innovative design is a practical solution for preventing accidental drawer slides in busy shops.
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A security latch upgrade shown engaged on a workshop storage drawer handle.

Tool Cart Drawer Lock for Harbor Freight US General, Garage Security Upgrade

A security latch upgrade for garage workshop organization, designed for compatibility with US General storage drawer systems. It provides secure access and is a focused enhancement for organizing and protecting valuable tool collections.
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A well-organized garage workshop with multiple locked tool storage units.

Who Needs a Tool Chest Lock Replacement?

These locks serve professionals securing job-site tool chests, hobbyists organizing a home garage, and anyone needing to replace lost keys or upgrade drawer security. Consider the results for organization, theft prevention, and equipment longevity.

Home Garage Security

For the home garage, these locks provide peace of mind by securing your investment in tools. They keep drawers closed and contents protected, whether from theft, pets, or children exploring the workshop.

Professional Shop Organization

In professional shops, keyed-alike locks streamline access for mechanics and technicians. Secure service carts and shared tool chests efficiently, ensuring tools are safe and accounted for in a busy environment.

Mobile Tool Transport

For mobile tool storage on trucks or trailers, secure locks prevent drawers from sliding open during transit. This protects tools from damage and keeps the work vehicle organized and ready for the next job.

Compare Lock Types
Choosing the right lock means balancing security level, installation type, and whether you need keyed-alike convenience. A simple cylinder lock works for standard drawers, while mortise locks offer deeper integration for heavy-duty use.
A side-by-side comparison of a simple cylindrical lock and a flat mortise lock on a workbench.
A person installing a new lock mechanism into a drawer on a metal tool chest.

Find the Right Lock for Your Tool Storage

Standard Cylinder Locks

Cylinder locks are a versatile, universal solution. They fit standard mounting holes and are ideal for replacing lost keys on a variety of cabinets, mailboxes, and toolboxes.

Mortise and Drawer Locks

Mortise locks sit flush within a recessed pocket for a cleaner look and stronger hold. They are a smart upgrade for securing high-value drawers on rolling cabinets.

Complete Latch Sets

For full-drawer security, complete latch and lock sets replace worn or broken factory hardware. This restores the original, reliable locking function of your unit.

Types of Tool Chest Locks and Their Uses

Tool chest locks range from simple key replacements to full security systems. Distinguish between universal cylinder locks for common repairs, mortise locks for integrated solutions, and complete latch sets for comprehensive overhauls.

Universal Cylinder Locks

The most common type, cylinder locks feature a round body that fits into a standard hole. They are excellent for quick, universal replacements across a wide array of cabinet types and brands.

Integrated Mortise Locks

These locks are designed to sit flush within a rectangular pocket (mortise) in the drawer or cabinet face, offering a more integrated and often more secure fit than surface-mounted locks.

Complete Latch and Lock Kits

These sets include not just the lock but also the latch, linkage, and screws. They are used to repair or replace the entire locking mechanism of a drawer for full restoration of function.

Security Upgrade Mechanisms

Specialized mechanisms, like 3D-printed PETG locks, are designed as security upgrades for specific models, providing enhanced retention beyond standard factory parts.

Keyed-Alike Lock Sets

These sets provide multiple locks with the same key, reducing key clutter for shops or individuals managing several locked tool chests or compartments.

Full Drawer Latch Replacements

For drawers with broken or missing latch assemblies, these complete sets restore the original pull-down, secure closing action to ensure drawers stay shut.

What Shoppers Say About These Locks

I bought the cylinder lock set after losing a key. It was a direct fit and the new key works smoothly. My drawers are secure again without any hassle. Simple fix that saved me from replacing the whole lock assembly.
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ShopForeman_Lee
The mortise locks were perfect for my RV storage cabinets. Being able to key them alike with my tool cart was a huge convenience. They feel sturdy and look clean once installed. A smart security upgrade for my setup.
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GarageOrganizer
The 3D printed drawer lock mechanism was an interesting solution. It installed easily and has stopped my drawers from sliding open when I move the cart around. It's a clever design for a common problem in the shop.
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DIY_Mechanic
Replaced all the latches on my older tool chest with the 6-piece set. The drawers now close with a solid, satisfying click. It brought the whole unit back to life. Great value for restoring the original security feel.
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ProTech_Sam
Needed a secure lock for our new tool cart. The latch upgrade provides a positive lock that I trust. It integrates well with the drawer system and keeps everything secure during transport. A practical investment.
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WorkshopManager
A close-up of a locked toolbox drawer with a key inserted into the silver cylinder lock.
Lock Decision Help

Common Questions About Tool Chest Locks

Check the existing lock or mounting hole. If you have a simple round hole, a cylinder lock is a direct fit. If the lock sits in a rectangular pocket, you need a mortise style. Measuring the hole diameter, typically 3/4 inch, ensures compatibility.
Keyed-alike locks use the same key for multiple units. This is a major convenience for shops or garages with several chests, letting you carry one key for all your secured storage. Many lock sets offer this option.
For standard drawers, a single cylinder or mortise lock provides solid security. For full-drawer latching, a complete set with linkage is better. Consider a 3D-printed upgrade mechanism for a tight, secure close during movement.
Most replacements are designed for DIY installation with basic tools. You may need a screwdriver or Allen wrench to remove old hardware and secure the new lock. Detailed instructions typically come with the replacement parts.
Yes, many replacement locks, especially mortise styles with a 3/4 inch mounting hole, are designed to fit a wide range of cabinets. This includes RV storage, general shop cabinets, and file cabinets beyond just the tool chest line.
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More on Tool Storage Security and Organization

Discover tips for maintaining your tool storage hardware, guides on organizing your tool chest layout, and reviews comparing different lock brands for long-term durability.