Best Portable Tool Organizers for Nuts, Bolts, and Small Parts

Portable organizers for nuts, bolts, screws, and small hardware allow you to carry a complete assortment of fasteners and small parts to any job location without bringing the entire shop. The right organizer keeps hardware sorted by type and size, prevents mixing, and fits in a tool bag or vehicle without wasting space. The wrong organizer dumps its contents when tilted or requires sorting through all compartments to find the right part.

Types of Small Parts Organizers

Divided Compartment Cases (Adjustable)

Cases with removable or movable dividers that create customizable compartment sizes. The most flexible option – configure the compartments for the hardware you carry. Available in shallow cases (for screws and small nuts) and deeper cases (for bolts and larger hardware). The best choice when your hardware assortment changes frequently between jobs.

Fixed Compartment Organizers

Cases with fixed, molded compartments. Faster to use than adjustable cases because compartments are consistently sized. Best when the hardware is always the same assortment (e.g., a dedicated electrical fastener kit or a standard screw assortment). Shake-resistant closure mechanisms prevent compartment mixing when the case is tilted.

Stackable Module Systems

Individual cases that connect or stack with compatible accessories. Milwaukee PACKOUT, DeWalt ToughSystem, and similar modular systems offer small parts organizers that integrate with larger tool storage systems. The best choice for a job-site where all storage should travel as a single connected unit.

Our Top Picks

1. DEWALT TSTAK VI Deep Organizer

A stackable deep organizer with a divided compartment tray and a large open lower section. Integrates with the DEWALT TSTAK system so it connects to other TSTAK boxes. Individual dividers in the upper tray create custom compartment sizes. The snap-tight latch keeps the compartments sealed during transport. A practical modular storage solution for those in the DeWalt tool ecosystem.

2. Milwaukee 48-22-8431 PACKOUT Compact Organizer

Milwaukee PACKOUT small parts organizer with 11 individual compartments in a case that connects to the PACKOUT modular system. Waterproof lid seal keeps compartments dry. The PACKOUT connection allows the organizer to stack and lock onto rolling tool carts and other PACKOUT accessories. The best modular small parts organizer for Milwaukee users.

3. Akro-Mils 5905 Small Hardware Case

A traditional adjustable-divider hardware case with 40 movable dividers for full customization. The snap-tight latch holds compartment contents in place when the case is tilted. The clear lid allows viewing contents without opening the case. A reliable, affordable general-purpose hardware organizer that has been a shop staple for decades.

4. STANLEY 014725R Multi-Level Organizer

A two-level organizer with a full-access lower section and a removable upper tray. The dual-level design stores both small fasteners (upper tray) and medium hardware (lower section) in a single case. The latch design holds both levels securely during transport. A compact solution for mixed-size hardware that a single-level case cannot efficiently organize.

5. Plano Molding 5231 Stow N Go Organizer

A wide-format organizer with 20 fixed compartments for a standardized hardware assortment. The fixed compartment format is faster than adjustable dividers when the hardware assortment is consistent. A good choice for a dedicated kit with a fixed fastener assortment – screws in sizes 6, 8, 10 and bolts in 1/4, 5/16, 3/8 inch.

FAQ

How do I prevent compartments from mixing during transport?

Look for cases with individually sealed compartments or with tight-fitting lids that prevent contents from shifting between compartments when tilted. The key design feature to evaluate: can the case be held upside down and shaken without mixing compartments? Cases with positive-closure dividers and tight lids pass this test. Budget cases with loose dividers do not.