Tool Box Casters Model 3 4″ | Caster City

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Shop by Plate, Stem, Brake, Wheel, or Industry.
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- Plate Casters
- Stem Casters
- Wheels
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- Total Locking Brake Casters
- Chair & Furniture
- Caster Parts and Replacements
Caster City® has been supplying the highest quality plate casters, stem casters and wheels since 1977.
This include all casters and wheels: stainless, pneumatic, stem (threaded stem and expanding rubber stem ), swivel, rigid, locking, total locking, replacement, chair and furniture casters. Caster wheels include phenolic, rubber, polyurethane, polyolefin, steel, v-groove.
Caster menu on the top of each page will help you quickly navigate to your desired caster. If you need any help, feel free to call us at: 800-501-3808
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Swivel Casters
Rigid Casters
Shop by 4 Modular Stems
Treaded Stem
Expanding Rubber Stem
Grip Ring Stem
Square and Rounded Metal Stem
Autoclave Wheels
Flanged Wheels
Metal Wheels
Hard Composition Wheels
High Capacity Soft Wheels
High Temperature Wheels
Nylon
Polyolefin Wheels
Polyurethane Wheels
Pneumatic Wheels
Rubber Wheels
Ultra High Capacity Polymer Wheels
V Groove Wheels
Water Resistant Wheels
Stainless Steel Casters
Total Locking Brake Plate
Total Locking Brake Stem
Chair & Furniture
Elite Chair Casters
Floor Truck Locks
Lazy Susan / Turn Table Swivel
Shim Plates / Weld Plates
Shop Fox Mobile Base Replacement Wheels
Straight Roller Bearings
Steel Spanner Bushings
Bearing Retaining Washers
Axles with Lock Nuts
Thrust Washers
T-Nut
Plate Casters
Plate Casters: Models ranging from capacity of 350 lbs all the way to 40,000 lbs
- 2-3/8″ X 3-5/8″ - Capacity Up to 350 lbs
- 3 1/8" x 4 1/8″ - Capacity Up to 350 lbs
- 4″ x 4 1/2″ - Capacity Up to Max Range 2,500 lbs
- 4 1/2″ x 6 1/4"- Capacity Up to Max Range 7,000 lbs
- 5 1/4″ x 7 1/2″ - Capacity Up to 7,000 lbs
- 6 1/4″ x 7 1/2″ - Capacity Up to Max Range 20,000 lbs
- 8 1/2" x 8 1/2" - Capacity Up to Max Range 40,000 lbs
- Dual Wheel Heavy Duty Plate Casters - Capacity Up to Max Range 40,000 lbs
Plate casters are one of the most reliable and versatile caster types used in industrial, commercial, and institutional settings. At CasterCity.com, our plate casters feature a flat metal mounting plate with pre-drilled holes that allow for secure attachment to a wide range of equipment and furniture. Our extensive selection of plate casters includes a variety of wheel materials, load capacities, and sizes to meet your exact requirements. From light-duty plate casters for office furniture to heavy duty industrial plate casters built for demanding environments, our casters are designed to deliver quality and performance. Whether you’re outfitting carts, machinery, or mobile workstations, our plate casters provide the exact support and smooth mobility your operation needs. We try and give you all the information you need but if you cannot find something that will work, call us at 800-501-3808 and our expert staff will help you with your caster purchase.
Model 3 - Capacity Up to 350 lbs - Wheels 3" - 5"
Model K3 - Capacity Up to 350 lbs - Wheels 3" - 5"
Model 9 - Capacity Up to 1,200 lbs - Wheels 3 1/4" - 8"
Model G15 - Capacity Up to 2,500 lbs - Wheels 4" - 8"
Model 30 - Capacity Up to 7,000 lbs - Wheels 6" - 10"
Model 14 - Capacity Up to 1,500 lbs - Wheels 4" - 8"
Model 15 - Capacity Up to 2,500 lbs - Wheels 4" - 8"
Model 50 - Capacity Up to 7,000 lbs - Wheels 6" - 12"
Model 2-50 - Capacity Up to 7,000 lbs - Wheels 6" - 12"
Model 100 - Capacity Up to 15,000 lbs - Wheels 6" - 12"
Model 2-100 - Capacity Up to 20,000 lbs - Wheels 8" - 12"
Model 150 - Capacity Up to 20,000 lbs - Wheels 6" - 12"
Model 2-150 - Capacity Up to 40,000 lbs - Wheels 8" - 12"
Model 2-50 - Capacity Up to 7,000 lbs - Wheels 6" - 12"
Model 2-100 - Capacity Up to 20,000 lbs - Wheels 8" - 12"
Model 2-150 - Capacity Up to 40,000 lbs - Wheels 8" - 12"
Stem Casters
Stem Industrial Casters: 4 Modular Stem Choices
- Threaded Stem - Capacity Up to Max Range 1,500 lbs
- Expanding Stem Casters - Capacity Up to 300 lbs
- Grip Ring Stem - Capacity Up to Max Range 300 lbs
- Square and Round Stem - Capacity Up to 300 lbs
- Light Duty Flat Free Casters - Capacity Up to 150 lbs
- T-Nuts
Stem Casters are a type of caster wheel that mounts to equipment using a stem rather than a mounting plate and makes them ideal for applications with limited mounting space available. They come in various stem types including threaded, grip ring, expanding rubber, and metal (square/round). Each stem module type is designed to fit different tubing or frame structures and allow for smooth mobility. Stem Casters are most commonly used on carts, furniture, and medical equipment. We offer stem casters with load capacities as small as 250 lbs and as strong as 1,500 lbs, with many pedal and foot brake options available.
We have a stem caster for any need and if you cannot find the right caster, please contact us directly (Call: 800-501-3808 / Email: sales@castercity.com) and we can help you find the perfect stem and caster for your application.
Stem Caster Model L3
Capacity to 250lbs - 3/8" Thread
Stem Caster Model 3
Capacity to 300lbs - 1/2", 5/8", 3/4" Thread
Stem Caster Model G15
Capacity to 1500lbs - 3/4" and 1" Thread
Wire Shelving Stem Casters (3/8″ Threaded Stem)
Capacity to 300lbs - 3/8" Thread
Stem Caster Models 3, K3, K3A, 3A, SS-3, SS-3A
Capacity to 300lbs
Stem Caster Model L3
Capacity to 250lbs - 7/16" Round Stem
Stem Caster Model K3
Capacity to 300lbs - .864" Round Stem
Stem Caster Model K3
Capacity to 300lbs - 7/8" Square Stem
Stem Caster Model K3
Capacity to 300lbs
Light Duty Flat Free Casters
T-Nuts
Wheels
Caster Wheels and Parts
- High Temperature
- Metal
- Nylon
- Polyurethane
- Phenolic
- Pneumatic
- Polyolefin
- Rubber
- Ultra High Capacity Polymer
- V Groove
- Replacement Parts and Wheels
We offer a wide range of caster wheels designed for various use applications, including light-duty furniture, industrial machinery, and medical equipment and more to suit your unique or different mobility needs.
Wet Heat
Dry Heat
Autoclave
Retort
Forged & Ductile Steel
Gray Iron
Machined Steel
Solid Stainless
Nylon
All Polyurethane
Polyurethane on Aluminum
Polyurethane on Glass-Filled Nylon
Polyurethane with Iron Centers
Polyurethane with Polyolefin Centers
Water-Resistant Polyurethane
Welded Disc Polyurethane
Phenolic
Pneumatic
Hand Truck Wheels
Polyolefin
Blue Ergonomic Rubber
Conventional Moldon Rubber
Extra Soft Rubber
Gray Rubber
Premium Rubber
Neoprene Rubber
Super Cushion Rubber
Ultra High Capacity Polymer
V Groove
Shop Fox Mobile Base Replacement Wheels
Straight Roller Bearings
Steel Spanner Bushings
Bearing Retaining Washers
Axles with Lock Nuts
Thrust Washers
Total Locking Brake
Total Locking Plate and Stem Casters
- Total Locking Plate Casters - Capacity Up to Max Range 1,200 lbs
- Total Locking Stem Casters - Capacity Up to 300 lbs
- Black Finish Casters / All Black E-Coat Casters
- Dual Wheel Casters
Total locking brakes are a popular choice when safety and stability. We offer brakes on both stem and plate casters. These brakes are designed to lock both the wheel and the swivel at the same time, so once they’re engaged, the caster won’t roll, pivot, or move.
Total locks are widely used in a variety of settings such as warehouses, medical facilities, food service environments, and even heavy duty industrial settings. They’re the perfect caster for mobile equipment that needs to be rolled into place and then stay firmly in position carts, racks, prep tables, or mobile workstations.
If you’re not sure what kind of brake or caster setup works best for your home or business needs, our Caster City sales team is here to help. With decades of experience, we’ll guide you to the right solution for your application and make sure you get exactly what you need for the job.
METAL PEDAL - Model 3A - Up To 350lbs - 3" thru 5" Wheels - Plate Size 2-3/8" x 3-5/8"
NYLON PEDAL - Model K3A - Up To 350lbs - 3" thru 5" Wheels - Plate Size 2-3/8" x 3-5/8"
Stainless Model 3A - up to 300 lbs - 3" thru 5" Wheels - Plate Size 2-3/8" x 3-5/8"
Stainless Model 9 - up to 1200 lbs - 4" thru 8" Wheels - Plate Size 4" x 4-1/2"
Stem Caster Model K3A - up to 300 lbs - (1/2" - 3/4")
Stem Caster Model 3A - up to 300 lbs - (1/2" - 3/4")
Stainless Stem Caster Model 3A - up to 300 lbs - (1/2" - 3/4")
Plate and Stem Casters
Mounting Plate: 2 3/8″ x 2 3/8″
Stainless Steel
Stainless Steel Plate and Stem Casters - 304 and 316 Grade
- Stainless Steel Plate Casters - Capacity Up to Max Range 7,000 lbs
- Stainless Steel Stem Casters - Capacity Up to Max Range 1,500 lbs
- 316 Stainless Steel Casters - Capacity Up to Max Range 1,200 lbs
- Stainless Steel for Specific Industries - Capacity Up to Max Range 7,000 lbs
- Total Lock Brake Stainless Steel
Stainless steel casters, offered in both plate and stem mounting styles, are built for use in wet, corrosive, or high-temperature environments where durability and cleanliness are critical. These casters are available in both 304 and 316 stainless steel—the former offering strong corrosion resistance for general industrial and food service use, and the latter providing superior protection against harsh chemicals and saltwater, making it ideal for marine and pharmaceutical applications. Designed to handle temperatures up to 450°F when paired with high-temp wheels and raceway seals, these casters perform reliably in extreme heat such as in autoclaves or commercial ovens.
Caster City’s stainless steel casters are built with longevity and performance in mind. Each unit includes a grease fitting in the swivel bearing for easy maintenance, protective seals, and a dust cover to guard internal components from contaminants. Whether you choose 304 for its broad utility or 316 for its maximum corrosion resistance, these casters ensure smooth, low-maintenance mobility in the most demanding conditions.
Stainless Steel Caster Model 3 - up to 350 lbs - 3" thru 5" wheels - Plate Size 2-3/8" x 3-5/8"
Economy Stainless Steel Caster Model K3 - up to 300 lbs - 3" thru 5" wheels - Plate Size 2-3/8" x 3-5/8"
Stainless Steel Caster Model 9 - up to 1,200 lbs - 4" thru 8" Wheels - Plate Size 4" x 4-1/2"
Stainless Steel Caster Model G15 - up to 2,500 lbs - 4" thru 8" Wheels - Plate Size 4" x 4-1/2"
Stainless Steel Caster Model 30 - up to 3,000 lbs - Plate Size 4-1/2" x 6-1/4"
Stainless Steel Caster Model 50 - Up to 3,000 lbs - Plate Size 5-1/4" x 7-1/4"
Economy Stainless Steel Stem Caster Model K3 - up to 300 lbs - (1/2" - 3/4")
Stainless Steel Stem Caster Model 3 - up to 300 lbs - (1/2" - 3/4")
Stainless Steel Stem Caster Model G15 - up to 1,500 lbs - (3/4" - 1")
Model 316-3 - Capacity up to 300 pounds per caster. Mounting Plate – 2 3/8″ x 3 5/8″
Model 316-9 - Capacity up to 1,200 pounds per caster. Mounting Plate - 4″ x 4 1/2″
Heavy / Extreme Duty Stainless Steel Kingpinless Casters
Stainless 5″ Casters to fit Metro & Nexus Racks
Stainless Steel Metal Fabrication Casters
Stainless Model 3A - up to 300 lbs - 3" thru 5" Wheels - Plate Size 2-3/8" x 3-5/8"
Stainless Model 9 - up to 1200 lbs - 4" thru 8" Wheels - Plate Size 4" x 4-1/2"
Stainless Stem Caster Model 3A - up to 300 lbs - (1/2" - 3/4")
Pneumatic
Pneumatic
These industrial pneumatic casters feature air filled pneumatic wheels. These industrial casters are designed for low speed manually moved applications only. Air filled pneumatic wheels provide a cushioned ride, shock absorption and quiet operation. Pneumatic casters are ideally suited for moving fragile or delicate cargo where caster overall height is not critical. Casters with pneumatic wheels are usually the best choice for use outdoors over rough surfaces ( i.e. gravel ) or on grass. The wide footprint on 8″ or larger pneumatic wheels provides stability on gravel and does not sink into lawns.
Pneumatic casters and pneumatic wheels are also popular for indoor use in places such as hospitals, scientific and electronic laboratories, hotels, department stores and TV or movie studios.
Pneumatic wheels with black tires do not mark the floor as long as the wheel is allowed to roll. Changing directions without allowing a swivel caster to turn gradually around, or dragging a black rubber wheel sideways, can mark some floors.
Pneumatic Casters
Pneumatic Caster Alternatives
Foam Filled Pneumatic Casters
Light Duty Flat Free Casters
Office & Furniture
Office and Furniture Casters
- Chair Casters for Carpet
- Chair Casters for Hardwood Floors
- Doctor & Dental Chair Casters
- Gaming Chairs Elite Casters
- Twin-Wheel Soft Gray Rubber Chair Caster
- Work From Home Office Chair Casters
- Sockets for Casters
Caster City offers a wide range of office and furniture casters designed for smooth, quiet movement across carpet, tile, and hardwood floors. If you’re upgrading desk chairs, file cabinets, mobile workstations, or anything else your office needs our casters provide durability, ease of movement, and a professional finish that complements any office setup.

Plate and Stem

Grip Ring Stem

Mr. Big Caster
4″ Twin Wheel Caster

Stem & Plate

Clerical or Executive Chairs

2" and 3" Diameter Soft Gray Rubber Chair Casters
These Casters are Great for Medical Professionals who wish for the smoothest possible movement on their Chairs.

Elite Series Chrome Chair Casters
We’ve curated our gaming chair wheels to suit users of all body types.

Available in 2″, 2.5″, and 3″ diameters
The Twin-Wheel Soft Gray Rubber Caster offers ergonomic design and smooth mobility.

Soft Gray Rubber Chair Casters
Comes As Standard Sized Grip Ring Stem Stem Size is 7/16″ Diameter x 7/8″ Long

Metal and Plastic Sockets
These hard to find sockets are now available for purchase separately.
Industry Specific Casters
Casters by Industry & Application Use
- Industrial Casters
- Aerospace & Automotive
- Food & Beverage Handling
- Medical & Laboratory
- Retail & Service
- Farming & Outdoor
- Ergonomic Casters
- Material Handling & Storage
- Hospitality & Performance
- Cleaning & Maintenance
- Textile
- Specialty Casters
- Miscellaneous Mobility
To assist you, our customers in locating the ideal caster (stem or plate) for your particular business need, our comprehensive catalog has been carefully arranged. We provide a broad range of solutions to satisfy the needs of the manufacturing, healthcare, retail, and service sectors.
We offer a wide range of products for the industrial sector, including light-duty and low-profile plate casters for machinery and equipment. Our casters are designed to withstand severe weights and precise movement, making them perfect for jacks, service equipment, and shop floors in the automotive and aerospace industries.
While our medical and laboratory casters satisfy the hygienic and silent-rolling requirements needed for hospitals, labs, and pharmaceutical facilities, those in the food and beverage industries will find alternatives designed for production lines, meat processing, and shopping carts.
Additionally, we have casters for retail and hospitality applications, including luggage carts, vending machines, and bakery racks. Durable variants designed to withstand big loads and tough terrain are supported for outdoor and agricultural applications.
Our specialty casters include dual-wheel models for enhanced stability, ergonomic solutions, vintage designs, and black e-coat finishes for more specific applications. We also provide casters for toolboxes, utility carts, hand trucks, and other material handling and storage applications.
We provide dependable mobility solutions for a variety of industries, ranging from stage and theatrical equipment to maintenance tools like mop buckets and camper supports. With targeted caster options, even specialized applications like road cases, ladders, and textile machinery are taken into consideration.
Regardless of your application, our expert sales staff, with a collective experience of over 100 years are available to assist you in locating the best caster to complete the task quickly and effectively.
4K Plate Caster
High Temperature Casters
Low Profile Casters (2" and 3" Wheels)
Light Duty Stem & Plate
Light Duty Model 01
Light Duty Model L2
Light Duty Model 4A
Fabricators
Click Here to See a Complete List of all Industry Specific Casters
Aerospace
Automotive
Automotive Jack
Click Here to See a Complete List of all Industry Specific Casters
Food Manufacturing
Grocery/Shopping Cart
Butcher/Meat Handling
Click Here to See a Complete List of all Industry Specific Casters
Hospitals
Science and Animal Labs
Pharmaceutical
Click Here to See a Complete List of all Industry Specific Casters
US Postal Service
Vending Machine
Bakery
Bellman Cart (Luggage Cart)
Click Here to See a Complete List of all Industry Specific Casters
Farming
Mushroom
U-Boat
Camper & Motor Home
Click Here to See a Complete List of all Industry Specific Casters
Dual Wheel Casters with DW Polyurethane Wheels - Model 2-9
Dual Wheel Casters with DW Polyurethane Wheels - Model 2-20
Dual Wheel Casters with DW Polyurethane Wheels - Models 2-30, 2-50, or 2-100
Click Here to See a Complete List of all Industry Specific Casters
Utility Cart
Conveyor
Convertible Hand Trucks
Lumber
Toolbox
Click Here to See a Complete List of all Industry Specific Casters
Kitchen Equipment
Marching Band
Theatrical/Stage
Click Here to See a Complete List of all Industry Specific Casters
Rubbermaid Mop Bucket
Camper & Motor Home
High Temperature
Click Here to See a Complete List of all Industry Specific Casters
Rubbermaid Mop Bucket
Textile
Click Here to See a Complete List of all Industry Specific Casters
Black Finish/All Black E-Coat Casters
CHAMBER Ovens
Powder Coating & Media Blasting
Vintage Casters/Black Cast Iron Antique Casters
Click Here to See a Complete List of all Industry Specific Casters
Dolly
Door & Ladder
Gate
Leveling
Shop Fox Mobile Base Replacement Wheels
Road Case
Click Here to See a Complete List of all Industry Specific Casters
Articles
How to Guides & Articles
- Articles
- How to Guides
Looking for expert advice on choosing the right casters, installing your casters, or maintaining your equipment? Our blog at Caster City features helpful how-to articles that break down everything from selecting the best caster for your needs to understanding brake types, weight capacities, wheel materials, and industry use. We also include news from time to time on the latest innovations that are impacting many of our customers. Read on by clicking on the Left Side tabs to and let us know if you need help with anything. We are here to help.
PX Polyurethane on Iron: A Top Industrial Heavy-Duty Caster
Are you sick and tired of industrial caster wheels breaking down or failing under large loads? This article will demonstrate how our PX Premium Polyurethane on Iron Wheel with a load capacity of up to 10,000 lbs will increase productivity, decrease maintenance requirements, and enhance safety. Read on to see why it’s the ideal option for your heavy-duty casters by reading on.
Read More...
Institute Of Caster And Wheel Manufacturers Safety Factors
We have found over the years that the vast majority of our customers, largely engineers and project managers often struggle to find casters and wheels that meet strict safety standards for their projects. The Institute of Caster and Wheel Manufacturers (ICWM) sets the rules for load ratings through tough endurance tests and we would like to explain to you what you need to know when picking the right casters and wheels for your needs.
Read More...
Heavy-Duty AGV Casters: Dual Wheel Designs, Load Capacity, and Industrial Uses
At Caster City, we understand that not all caster applications are created equal. In high-demand environments—where automated guided vehicles (AGVs) operate around the clock—durability, stability, extend battery life through reduced effort, and load-bearing capacity are non-negotiable. That is where dual wheel AGV casters come in. Built for continuous duty and high-capacity movement, these heavy duty casters are engineered to deliver unmatched performance in industrial settings. Read on for more.
Read More...
Tips on Choosing the Right Caster or Caster Wheel
It is our view that you are not purchasing a mere wheel or caster. You are buying a product which must work for you. The internal handling of materials is an expense. Properly designed wheels and casters can reduce this expense.
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How to Measure the Stem Size of Your Caster
When putting furniture together or replacing casters, it's important to know the size of the caster stem to ensure a good fit and avoid damage. With three simple techniques that use everyday home items, this tutorial makes measuring easier for both novices and experts.
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How to use the Hollow Kingpin ( HK1/2 ) Stem Option
Here are two professional caster installation ideas, such as how to use Model 3 casters to generate bespoke stem lengths and how to use lag bolts to ensure a solid hold and a strong, snug fit into wood end grain.
Read More...

Tool Box Casters Model 3 4″

October 26 2024

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