Certified Where It Matters | Exceeds ICWM Standards • ANSI Tested • NSF Certified • RoHS Compliant
The Most Trusted Source for Industrial Casters | 100,000+ Orders Fulfilled for OEMs & MRO Teams
Products Manufactured in ISO 9001:2015-Certified Facilities | Trusted by OEMs & MRO Teams
In Stock. Ready to Ship. Trusted by Industry Pros.
Caster Specialists Ready to Help | Get Fast Guidance for OEM & MRO Applications
Guaranteed Lowest Pricing on Bulk Orders | Automatic Discounts Applied Instantly at Checkout
Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.
Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: S-TG-4AZ
The Hamilton S-TG-4AZ Swivel Caster is a testament to superior craftsmanship. It features a robust 4" x 2" Aqualite Polyolefin (75D) wheel, complemented by a 3/4" Delrin bearing for smooth and reliable operation in various settings.
This caster comes equipped with a thread guard, offering additional protection against debris and threads, ensuring longer wheel life and consistent performance.
The Aqualite Polyolefin wheel provides a balance of durability and floor protection. Its unique composition reduces noise, making it ideal for both industrial and healthcare environments.
Thanks to the Delrin bearing, the S-TG-4AZ caster ensures effortless mobility and precision, essential for equipment requiring frequent and accurate positioning.
Perfect for a wide range of applications, the Hamilton S-TG-4AZ caster is particularly suited for environments where floor care and noise reduction are priorities.
Selecting this swivel caster means opting for a blend of durability, performance, and floor protection. Ideal for enhancing the mobility of your equipment with minimal noise and maximum efficiency.
Wheel Diameter (in.): 4
Wheel Face (in.): 2
Wheel Type: Aqualite
Wheel Color/Finish: Solid White
Wheel Core Material: Polyolefin
Wheel Material @ Tread: Polyolefin
Overall Height (in.): 5.625
Swivel Offset (in.): 1.25
Bearing Type: Delrin
Replacement Wheel: W-420-AZ-3/4
Caster Rig Type: Cold Forged/Stamped
Caster Color/Finish: Bright Zinc Plated
Swivel or Rigid caster: Swivel
Mounting Plate (in.): 4 x 4 1/2
Mounting Bolt (in.): 0.375
Bolt Hole 1 (in.): 2 5/8 x 3 5/8
Bolt Hole 2 (in.) (in.): 3 x 3
Mounting Plate Length (in.): 4.5
Mounting Plate Width (in.): 4
Shipping Weight (lbs.): 5
Load Capacity (lbs.) @ 3 mph: 550
Note: For further information, contact our product support team.
Transparent pricing.
All pricing and quantity discounts are applied automatically. There are no promo codes required and no post-checkout price changes.
Upfront shipping costs.
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
Business-friendly ordering.
We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
Real support from product specialists.
Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.
Trusted by industrial and commercial customers.
CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.
When will my order ship?
In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.
Will shipping cost more at checkout?
Shipping is not free on most orders. Your final shipping cost is shown before payment.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
The Hamilton S-TG-4AZ Swivel Caster represents a pinnacle in caster technology. It features a 4" x 2" Aqualite Polyolefin wheel, renowned for its strength and durability, and a 3/4" Delrin bearing for seamless movement.
Equipped with a unique thread guard, the S-TG-4AZ caster is specifically designed to prevent debris and threads from entangling in the wheel, thus extending its life and maintaining consistent performance.
The Aqualite Polyolefin wheel, coupled with the Delrin bearing, ensures not only longevity but also efficient and smooth operation across various surfaces, making it a versatile choice for multiple applications.
The swivel design allows for full 360-degree rotation, providing superior maneuverability and control in tight spaces, essential for industrial and healthcare environments.
This caster is designed to operate quietly, reducing noise significantly, which is particularly beneficial in noise-sensitive areas. Additionally, its non-marking nature ensures floor surfaces remain unscathed.
Choosing the S-TG-4AZ caster means prioritizing a blend of durability, protection, and effortless mobility. Ideal for enhancing the functionality of your equipment with advanced features that cater to a wide range of needs.
$76.00
Designed for engineers, manufacturers, and material handling professionals