Contact Platform Support
Help CenterInterlocking Storage Rack System for Bulk Goods Storage and Small Business Inventory, Starter & Extension Bay Design, Professional Supplier
Product Spotlights
Related Products
-
Heavy Duty Steel Archive Shelving for Office Document and Heavy Boxes Organization, Multi-layer Bolt-free Metal Storage Rack, China HENGNAUS$ 20 - 200MOQ: 5 Combos -
High Capacity Industrial Rack, Refined Cold Rolled Steel With Wave-shaped Beam for Heavy Duty Tool and Equipment Storage, Best SellingUS$ 20 - 200MOQ: 5 Combos
-
Modular Warehouse Shelving System for Pharmaceutical and Cold Chain Logistic Storage, Seamless Welding Butterfly Hole Storage RackUS$ 20 - 200MOQ: 5 Combos
-
Versatile Medium Duty Warehouse Shelving System With 300kg Adjustable Capacity| for Distribution Centers and Retail BackroomsUS$ 1 - 330MOQ: 5 Sets
-
Industrial-Grade Adjustable Shelving Unit With 300kg Load Capacity per Shelf|Hengna OEM FactoryUS$ 1 - 330MOQ: 5 Sets
What Is This Storage Rack System?
This is an interlocking storage rack system designed for bulk goods storage and small business inventory. It is made from Cold Rolled Steel, which is a strong and durable material. The rack has 4 shelves and comes in blue or white colors. Each shelf can hold between 100kg and 500kg, depending on the model you choose.
The word "interlocking" is important here. It means the racks connect to each other to form one long, stable row. This is perfect for small businesses that need to store lots of products but want to save money on equipment.
Starter Bay and Extension Bay: What Do They Mean?
In the storage industry, we use two special terms: Starter Bay and Extension Bay. Some people call them Main Frame and Add-on Frame. They mean the same thing.
| Term | What It Includes | How It Works |
|---|---|---|
| Starter Bay | 2 upright columns + beams + shelves | Stands alone. Use this to start a new row. |
| Extension Bay | 1 upright column + beams + shelves | Attaches to a Starter Bay. Shares one column with the next rack. |
Here is a simple way to think about it:
If you want one rack by itself → you need a Starter Bay.
If you want three racks in a row → you need 1 Starter Bay + 2 Extension Bays.
This design saves money because Extension Bays use fewer materials. It also creates one long, continuous rack row, which looks neat and saves floor space.
Why Small Businesses Love This System
Small businesses have different needs than big warehouses. You might be:
A retail store with backstock
A workshop with parts and supplies
A small e-commerce seller with inventory
A garage or hobbyist with too much stuff
A growing business that will need more space later
This system works for all these situations.
| Small Business Need | How This System Helps |
|---|---|
| Limited budget | Extension bays cost less than buying separate racks |
| Changing inventory | Adjustable shelves fit different products |
| Growing business | Add more bays later without replacing old ones |
| Limited space | Vertical storage uses floor space efficiently |
| Easy setup | No tools needed, assemble in minutes |
Product Specifications
Based on the product images, here are the detailed specifications:
| Feature | Detail |
|---|---|
| Product Name | Interlocking Storage Rack System |
| Number of Floors | 4 floors |
| Material | Refined Cold Rolled Steel |
| Color | Blue / White |
| Load Capacity | 100kg to 500kg per shelf |
| Assembly | Boltless (no tools required) |
| Shelf Adjustment | 50mm intervals |
| Beam Design | Wave-shaped with pressure lines |
| Panel Reinforcement | Multiple ribs on back side |
| Surface Finish | Powder coated (electrostatic) |
| Frame Options | Starter Bay (2 columns) and Extension Bay (1 column) |
| Connection Type | Interlocking / shared column design |
Main Parts of the Rack
Let us look at the parts that make up this system:
Upright Column: The vertical posts. They have butterfly holes for adjustment.
Cross Beam: The horizontal bars that connect the columns. They are wave-shaped for strength.
Layered Panel: The flat surface where you put boxes and items.
First Layer / Second Layer / Third Layer / Fourth Layer: The different shelf levels from bottom to top.
Butterfly Clip: The part on the beam that locks into the column hole.
All these parts are made from cold rolled steel. They are designed to work together as a system.
Key Features Explained Simply
1. Cold Rolled Steel Construction
Cold rolled steel is stronger than regular steel. The cold rolling process makes the steel denser and harder. This means:
The columns will not bend under heavy loads
The beams will stay straight
The shelves will last for many years
The rack will remain stable and safe
For small business inventory, this strength matters. You might store heavy boxes of products. You might stack items high. You need racks that can handle the weight.
2. Starter and Extension Bay Design
This is the most important feature for saving money.
How it works:
You buy one Starter Bay for the beginning of your row.
For each additional rack section, you buy an Extension Bay.
The Extension Bay shares a column with the rack next to it.
Why this saves money:
| Scenario | Without This System | With This System |
|---|---|---|
| One rack | 1 Starter Bay | 1 Starter Bay |
| Two racks in a row | 2 full racks (4 columns) | 1 Starter + 1 Extension (3 columns) |
| Three racks in a row | 3 full racks (6 columns) | 1 Starter + 2 Extensions (4 columns) |
| Four racks in a row | 4 full racks (8 columns) | 1 Starter + 3 Extensions (5 columns) |
As you can see, the more racks you add, the more money you save. For a small business on a budget, this is a big deal.
3. Boltless Assembly
No tools needed. No bolts. No nuts. No lost parts.
The beam ends have clips (butterfly clips). You insert the clip into the top of the butterfly hole. You push down until it locks. That is it.
Why this matters for small businesses:
You can set up new racks yourself
You do not need to hire help
You can move racks when you rearrange
You change shelf heights in minutes
4. Adjustable Shelves
The shelves are not fixed. You can move them up or down. The butterfly holes are spaced every 50mm.
This means:
Tall products go on one shelf
Short products go on another
You change the layout when inventory changes
You do not buy new racks for new products
For a small business, inventory changes all the time. New products come in. Old products sell out. Adjustable shelves let your storage change with you.
5. Wave-Shaped Beams
Look at the beams. They have three wavy lines pressed into them. These are pressure lines. They make the beam stronger.
A flat beam bends in the middle under heavy weight. A wave beam spreads the weight across the whole surface. The three lines act like ribs. They stop the beam from twisting or bending.
For bulk goods storage, this means:
Heavy boxes are safe
The shelf will not sag
Products stay flat and do not tilt
6. Reinforced Shelf Panels
Turn a shelf panel over. Look at the back. You will see multiple reinforcement ribs. These are extra lines of steel pressed into the panel.
Without ribs, a thin steel panel would bend. With ribs, the panel stays flat even under heavy loads. The force spreads evenly across the whole surface.
For inventory storage, flat shelves are important. Boxes stack neatly. Products do not slide around. You can fit more in less space.
7. Butterfly Hole Design
The upright columns have holes shaped like butterflies. These holes let you adjust the shelves without tools.
Want more space between shelves? Move the beams up.
Need to fit tall boxes? Move shelves apart.
Storing small items? Move shelves closer.
The holes are spaced every 50mm. This gives you many options. You can set up the rack exactly for your current inventory.
8. Interlocking Connection
When you put Extension Bays next to Starter Bays, they interlock. They share a common column. This creates a continuous row of racks.
Benefits of interlocking:
The whole row is stable and rigid
No gaps between racks
Looks professional and organized
Uses floor space efficiently
Powder Coated Surface
The surface finish is electrostatic powder coating. Here is how it works:
The steel parts are cleaned thoroughly.
Dry powder (color pigment) is sprayed on.
Static electricity makes the powder stick.
The parts go into an oven. The powder melts and fuses into a hard coating.
Why this matters for small businesses:
| Benefit | What It Means |
|---|---|
| Durable | Coating does not scratch or peel easily |
| Corrosion resistant | No rust in garages or basements |
| Easy to clean | Wipe with a damp cloth |
| Uniform coverage | No thin spots or drips |
| Odorless | Safe for indoor use |
| Professional look | Stays clean and bright |
Quality You Can See in Every Detail
The product images show real details:
Fine Butterfly Clip: Made with precision. Easy to operate. Easy to install.
Reinforced Back: Multiple reinforcements. Force is uniform. Heavy objects are safe.
Smooth Welds: No welding slag. No rough spots. No corrosion points.
Thickened Plate: Steel is visibly thicker. More stable. Higher load capacity.
Even Coating: Paint is uniform. No thin spots. Full coverage.
How This System Saves You Money
Let us do a simple cost comparison.
Scenario: You need 4 racks in a row for your small business inventory.
Option A: Buy 4 separate full racks
Each rack has 2 columns
Total columns = 8
You pay for 8 columns worth of materials
Option B: Buy 1 Starter Bay + 3 Extension Bays
Starter Bay has 2 columns
Each Extension Bay has 1 column
Total columns = 2 + 1 + 1 + 1 = 5 columns
You pay for only 5 columns worth of materials
Savings: You buy 3 fewer columns. That is real money back in your pocket.
And the racks work just as well. They are stable. They are strong. They look like one continuous system.
Applications for Bulk Goods Storage
This rack is perfect for bulk goods:
| Product Type | Examples |
|---|---|
| Cases of drinks | Water, soda, juice, beer |
| Food supplies | Canned goods, dry food, restaurant supplies |
| Paper products | Toilet paper, paper towels, copy paper |
| Cleaning supplies | Bottles, jugs, bulk containers |
| Auto parts | Tires, batteries, cases of oil |
| Hardware | Boxes of nails, tools, supplies |
| Retail backstock | Extra inventory for the sales floor |
The 100kg to 500kg capacity handles these items easily.
Applications for Small Business Inventory
Small businesses have many storage needs:
| Business Type | What to Store |
|---|---|
| Retail store | Backstock, seasonal items, bulk purchases |
| Workshop | Tools, materials, supplies |
| E-commerce | Inventory ready to ship |
| Office | Files, supplies, equipment |
| Garage | Personal items, tools, gear |
| Restaurant | Food supplies, paper goods, cleaning |
| Salon | Products, towels, supplies |
The adjustable shelves let you organize everything.
Professional Supplier Advantage
We are a professional supplier. Our name is Hengna Office. When you buy from us, you get:
| Benefit | What It Means |
|---|---|
| Quality products | Made from real cold rolled steel |
| Consistent supply | We have inventory ready to ship |
| Bulk discounts | Better prices for larger orders |
| Professional support | We answer your questions |
| Reliable shipping | Your order arrives on time |
For small businesses, working with a professional supplier means peace of mind. You know the product will be good. You know it will arrive. You know it will last.
This Interlocking Storage Rack System is perfect for bulk goods storage and small business inventory. The Starter Bay and Extension Bay design saves you money on long rows of racks. The cold rolled steel construction gives you strength and durability. The boltless assembly means you can set it up yourself in minutes.
You can adjust the shelves to fit different products. You can add more Extension Bays later as your business grows. The wave beams and reinforced panels keep everything flat and strong. The powder coated surface resists rust and looks professional.
Choose blue or white. Start with one Starter Bay. Add Extension Bays as needed. Save money. Store more. Grow your business.
Frequently Asked Questions (FAQ)
1. What is the difference between a Starter Bay and an Extension Bay?
A Starter Bay has two upright columns and can stand alone. It is the first rack in a row. An Extension Bay has only one column and must attach to a Starter Bay or another Extension Bay. It shares a column with the rack next to it. This design saves money because you buy fewer columns when you create long rows of racks. For example, four racks in a row using this system need only five columns instead of eight.
2. Can I add more Extension Bays later if my business grows?
Yes. That is one of the best features of this system. You can start with just one Starter Bay for your current inventory. When you need more space, you order Extension Bays. They attach directly to your existing racks. You do not need to replace anything. The new bays will match your old ones perfectly. This makes the system very flexible for growing businesses.
3. Is this rack strong enough for heavy bulk items like cases of water or auto parts?
Yes. Each shelf can hold between 100kg and 500kg depending on the model you choose. The wave-shaped beams and reinforced shelf panels are designed to handle heavy loads without bending. For very heavy items, we recommend putting them on the bottom shelves to keep the rack stable. Cases of water, bulk food supplies, auto parts, and hardware are all well within the capacity of this rack. Just check the specific load rating for your model and do not exceed it.
The contact information of the sales manager is shown in the picture below. You can make inquiries directly without waiting.
Send Inquiry to This Supplier
You May Also Like
-
Industrial Storage Rack 400kg Per Tier - Heavy Duty Expandable Shelving System for Warehouse & Manufacturing FacilitiesUS$ 1 - 330MOQ: 5 Sets
-
400kg Capacity Multi-Purpose Industrial Shelving Unit - Versatile Storage Solution for Supermarket, Library & Commercial SpacesUS$ 1 - 330MOQ: 5 Sets
-
Industrial Strength Shelving System 400kg Capacity Per Level - Heavy Duty Supermarket Storage Rack for Retail Space OptimizationUS$ 1 - 330MOQ: 5 Sets
-
400kg Load Capacity Industrial Racking System - Warehouse Heavy Duty Storage Unit With Butterfly Hole Plug-In DesignUS$ 1 - 330MOQ: 5 Sets
-
Multi-Layer Industrial Storage Unit 400kg Per Shelf - Space-Saving Library Shelving Solution With Freely Adjustable LayerUS$ 1 - 330MOQ: 5 Sets
-
Robust Industrial Storage Solution- Heavy Duty Medical Shelving Rack for Hospital Clinics and Healthcare FacilitiesUS$ 1 - 330MOQ: 5 Sets
-
Heavy Duty Steel Shelving Bay 200kg Capacity - Industrial Workshop Storage Rack With Butterfly Snap DesignUS$ 1 - 330MOQ: 5 Sets
-
Heavy Duty Parts Storage Rack 300kg Capacity - Workshop Organizer With Main-Subframe DesignUS$ 1 - 330MOQ: 5 Sets
-
Industrial Parts Shelving System 300kg Load Capacity - Garage Storage Solution With Four Reinforcement BarsUS$ 1 - 330MOQ: 5 Sets
-
Customizable Parts Organizer 300kg Per Shelf - Multi-Size Workshop & Factory Storage Rack With High-Quality Cold Rolled SteelUS$ 1 - 330MOQ: 5 Sets
