Products

Durable Tool Storage System Supplier in China

BOSI Tools is a tool storage system supplier from China, offering a product range that includes the Eight drawer cabinet shaped tool cart, Seven drawer tool cart, Second floor portable toolbox, and Multi functional toolkit.

Featuring 1.2mm cold-rolled steel sheet with a sand-finish coating, premium waterproof Oxford fabric, and a 60kg actual load capacity, BOSI provides professional-grade tool storage solutions for workshops, construction sites, and mobile operations through solid materials and reliable structures.

We offer one-on-one selection guidance and customization services. Inquiries by phone or online are welcome.


Working Principle

The BOSI tool storage system does not rely on electrical power or mechanical transmission; its core lies in the integration of material mechanics and structural design.

The tool cart is fabricated from 1.2mm thick cold-rolled steel sheet through bending, stamping, and welding.

The body disperses stress through a reinforcing rib structure, working in conjunction with heavy-duty dual-brake casters to achieve both flexible push-pull mobility and stable parking.

The drawer system uses ball-bearing slides or steel plate slides, which uniformly transmit the dead weight of the drawer and the tool load through the rails to the cabinet frame.

The rated load per drawer ranges from 35kg (for the seven-drawer model) to 45kg (for the eight-drawer platinum model), with the overall rated load reaching 400kg to 450kg.

The sand-finish surface treatment forms a dense coating through electrostatic spraying and high-temperature curing, providing triple protection against scratches, solvents, and rust.

The second-floor portable toolbox relies on a tightly integrated lid and body structure for load bearing, with a well-designed torque ratio on the movable handle for easy carrying.

The multifunctional toolkit adopts a circuitous stitching technique at stress points, distributing the load to anti-slip steel double D-rings and the overall thickened Oxford fabric structure, achieving a verified load capacity of 60kg.


How to Choose the Right Tool Storage System?

Selection Dimension

Multi functional toolkit

Two-Layer Portable Toolbox

Seven drawer tool cart

Eight drawer cabinet shaped tool cart

Material & Structure

Premium waterproof Oxford fabric, thickened and wear-resistant, anti-slip steel double D-rings, circuitous stitching at stress points

Cold-rolled steel sheet with fine sand-finish surface, tightly integrated lid and body, movable handle

1.2mm cold-rolled steel sheet, sand-finish surface resistant to scratches, solvents, and rust, heavy-duty dual-brake casters

Platinum series cold-rolled steel sheet, 45kg load capacity per drawer, 450kg overall rated load

Capacity & Load

Three sizes from 15"-19", 60kg load capacity

450×200×195mm, compact and portable

680×458×860mm, 35kg per drawer, 400kg overall

1070×461×1032mm, 45kg per drawer, 450kg overall

Recommended Scenarios

Electrician inspections, equipment maintenance, carrying tools at height

Home tool storage, portable repair order box

Auto repair shops, factory teams, large equipment maintenance

High-end service stations, precision instrument workshops, centralized management of bulk tools


The selection logic depends on the quantity of tools and mobility needs.

For daily inspections and elevated work, the toolkit is lightweight and portable, available in three sizes from 15" to 19" to be selected based on the number of tools.

For a small number of tools at a fixed location, the second-floor portable toolbox is compact and robust.

For workshop teams or service stations needing centralized management of a large number of tools, the seven-drawer tool cart offers flexible push-pull mobility with dual-brake casters, while the eight-drawer cabinet cart meets high-end demands with greater drawer load capacity and total volume.


Common Problems in Use and Solutions

Common Problem

Cause Analysis

Solution

Corresponding BOSI Design

Drawer slide jamming or derailing

Overloading or dust and debris buildup inside the slide

Clean debris from the slide and check that the rated load is not exceeded

Seven-drawer model rated at 35kg per drawer, eight-drawer model at 45kg per drawer, cold-rolled steel structure strictly adheres to load limits

Toolkit shoulder strap breakage or thread detachment

Overweight use or stitching wear

Use within the 60kg rated load range, inspect the D-ring stress points

Anti-slip steel double D-rings, circuitous stitching technique at stress points for stronger seams

Rust on tool case/cart paint surface

Long-term storage in damp environments, unaddressed scratches

Keep storage dry, apply anti-rust paint after paint surface scratches

Sand-finish surface provides strong resistance to scratches, solvents, and rust

Caster lock failure and slipping

Brake pad wear or caster deformation

Check dual-brake caster pad wear and replace if necessary

Heavy-duty dual-brake casters, strong locking, flexible push-pull

Loose lid hinge

Screws loosening from long-term opening and closing

Check hinge screws and re-tighten

Tightly integrated lid and body, durable and sturdy movable handle


Our Tool Storage System vs. Other Brands: Why Choose BOSI?

Comparison Dimension

BOSI Tool Storage System

Same-Price Generic Brands

Imported High-End Brands

Steel Plate Thickness & Load

1.2mm cold-rolled steel sheet for tool carts, seven-drawer overall load 400kg, eight-drawer per-drawer load 45kg

Thin plates below 0.8mm, exaggerated load capacity, actual load capacity under 100kg

Solid materials, but 2-3 times more expensive for the same specifications

Surface Treatment

Sand-finish surface, strong resistance to scratches, solvents, and rust

Ordinary spray paint, rusts and peels within six months, poor solvent resistance

Mature powder coating, but high maintenance costs

Toolkit Material & Load

Premium waterproof Oxford fabric, thickened and wear-resistant, tested 60kg load, circuitous stitching at stress points

Ordinary Oxford fabric, thin and soft, shoulder strap stitching prone to breaking

Sufficient materials but high brand premium

Mobility & Locking

Heavy-duty dual-brake casters, strong locking, flexible push-pull

Single-brake or no-brake casters, difficult to push under load

Good industrial caster quality, but expensive replacement parts

Warranty Commitment

Tool carts warrantied for 12 months (excluding casters), compliant with QB/T4400 standard

No clear warranty, no after-sales support

Comprehensive warranty system, but long factory return turnaround time


The BOSI tool storage system ensures cart durability with 1.2mm cold-rolled steel plate and a sand-finish anti-rust surface, and guarantees toolkit load capacity with waterproof Oxford fabric and a circuitous stitching technique. It establishes clear advantages over generic brands in material, load capacity, and warranty dimensions, making it a reliable storage choice for workshops and mobile operations.


Safety Precautions for Use

Load Management

Strictly adhere to rated load capacities—Seven drawer tool cart per drawer 35kg, overall 400kg;

Eight drawer cabinet shaped tool cart per drawer 45kg, overall 450kg;

Multi functional toolkit load capacity 60kg.

Overloading will lead to drawer slide deformation, caster damage, or toolkit stitching breakage.


Moving and Locking

Before moving the tool cart, ensure all drawers are fully closed and locked to prevent them from sliding out and causing injury. When parking, fully lock the dual-brake casters and check that the cart is not sliding before starting work.

A fully loaded tool cart requires two people working together to push it, controlling speed to avoid collisions.


Weight Distribution

Place heavier tools in the bottom drawers to lower the cart's center of gravity, storing lightweight parts in the top drawers.

In the toolkit, place heavy items at the bottom of the main compartment and distribute weight evenly among subsidiary pockets to avoid unbalanced single-shoulder loads.


Storage Environment

Store long-term in a dry and ventilated place to prevent steel plate rusting or Oxford fabric mildew due to moisture. Although the sand-finish surface has anti-rust capabilities, mechanical scratches on the paint surface should still be promptly treated with anti-rust paint.

Keep the toolkit away from sharp objects; the waterproof Oxford fabric is splash-proof but must not be submerged in water.


Maintenance Cycle

Monthly, check the smoothness of the drawer slides and apply a small amount of grease; check all connecting screws and caster brake pads for tightness.

Quarterly, inspect the toolkit stitching and D-ring stress points, mending any loose threads promptly. Lubricate the case hinges and movable handle parts with oil to prevent rust.


Handling Precautions

Do not drop the toolbox or tool cart or allow them to slide from heights. Although solid, cold-rolled steel sheet may suffer structural deformation and drawer jamming upon severe impact.

Before using the toolkit's diagonal shoulder strap, check the integrity of the hook and stitching; manual support is recommended for hand-carrying when under heavy load.

Multi Functional Toolkit

Multi Functional Toolkit

BOSI Multi Functional Toolkit from China, with a load-bearing capacity of 60kg (tested at 150kg), made of waterproof, thickened, and wear-resistant Oxford cloth. Features anti-slip hooks, double steel hanging rings, and a winding stitching process for enhanced durability. Available in 15/17/19-inch sizes, with a shoulder strap and multiple pockets. Professional-grade carrying solution. Inquire for more information.
Two-Layer Portable Toolbox

Two-Layer Portable Toolbox

This is a Two-Layer Portable Toolbox manufactured by BOSI factory, made of professional-grade cold-rolled steel. Dimensions: 450×200×195mm. It features a fine sandblasted finish for rust and scratch resistance, and a convenient handle. The lid and body are tightly fitted for durability, meeting standard QB/T4399. Ideal for home use, electrical work, and as a car accessory.
Seven Drawer Tool Cart

Seven Drawer Tool Cart

This Seven Drawer Tool Cart, supplied by BOSI manufacturer, is a professional-grade, large-capacity mobile cabinet. It has a total load capacity of 400kg, is made of 1.2mm cold-rolled steel with a sandblasted finish, and features double-brake casters for easy locking. Each drawer has a capacity of 35kg. Dimensions are 680×458×860mm. It comes with a 12-month warranty (excluding casters). Sturdy and rust-resistant. Inquiries are welcome.
Eight Drawer Cabinet Shaped Tool Cart

Eight Drawer Cabinet Shaped Tool Cart

BOSI's Eight Drawer Cabinet Shaped Tool Cart - Platinum Series - provides a professional-grade solution for large-capacity mobile storage. It has a total load capacity of 450kg, with each drawer supporting 45kg. Dimensions are 1070×461×1032mm, suitable for workshops and auto repair bays. Packaged as a single unit, with a 12-month warranty (excluding casters). Sturdy and durable, it improves work efficiency. Wholesale inquiries welcome.
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