Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
View All Specialty Casters
Browse all specialty caster types
All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
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.
Specialty Casters
Gate Casters
BBQ Pit & Smoker Casters
Keyed Drive Wheels
Drywall Cart Casters
Skid Wheels & Casters for RVs
Leveling Casters
Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels
Low Profile Casters
Cart Wheels & Casters
Toolbox Caster Sets
Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets
Wire Shelving Casters
Silent Glide Casters

The Hamilton R-TG-8MB Thread Guard Rigid Caster is engineered for robust and reliable performance in industrial environments. Its 8" x 2" metal wheel is designed to withstand heavy loads and constant use, making it an ideal choice for demanding applications.
This caster features a durable metal wheel, enhanced with a thread guard to prevent debris entanglement, ensuring smooth operation. The metal construction provides strength and durability, suitable for high-load capacities.
Equipped with a 1/2" sealed precision ball bearing, the R-TG-8MB caster offers smooth and precise maneuvering. This enhances control and efficiency in moving heavy equipment.
The caster's robust design makes it versatile for a range of industrial applications, from manufacturing floors to warehouse logistics, providing reliable and effective mobility solutions.
Designed for straightforward installation, the R-TG-8MB caster ensures easy integration into your equipment. Its design also allows for low maintenance, ensuring long-term, hassle-free use.
Selecting the Hamilton R-TG-8MB Thread Guard Rigid Caster means opting for a blend of durability, precision, and versatility, essential for high-performance industrial environments.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Because of its size and weight, this item typically ships LTL freight on a pallet. Smaller add-on items may ship parcel. Freight cost is calculated by destination and shown before payment, or quoted for large orders.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
The Hamilton R-TG-8MB Rigid Caster stands out in the market with its high-quality 8" x 2" metal wheel. Designed for heavy-duty applications, it offers unparalleled support and durability. Its thread guard feature is specially engineered to prevent debris entanglement, thereby enhancing the caster's longevity and performance.
Equipped with a 1/2" sealed precision ball bearing, the R-TG-8MB ensures smooth and effortless movement. This feature is crucial in reducing friction and wear, making it an ideal choice for environments where continuous movement is a necessity.
Whether it's for industrial carts, heavy machinery, or workshop equipment, the versatility of the R-TG-8MB caster makes it a perfect fit for a wide range of applications. Its easy installation process allows for quick setup and integration into various systems.
Choosing the Hamilton R-TG-8MB Rigid Caster means opting for a product backed by a brand known for its commitment to quality and customer satisfaction. Invest in Hamilton's reliable caster solutions to enhance the efficiency and productivity of your operations.
This caster runs a Cast Iron wheel with a 2" tread width. Steel / iron wheels give maximum capacity and durability on smooth, hard industrial floors and tolerate heat.
This caster uses a top-plate mount. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
This is a Rigid caster. Rigid casters track straight for directional stability. For most mobile equipment we recommend 2 swivel + 2 rigid, or 4 swivel with at least 2 brakes.
Rated for -20°F to 180°F. Operating outside the rated range can reduce wheel life and load capacity, so match it to your environment (wash-down, freezer, oven-adjacent, etc.).
The Cast Iron wheel performs best on smooth, hard industrial floors. For non-marking or clean-environment needs, ask us about matching tread options.
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$150.00
| Identification | |
| Brand | Hamilton |
| Dimensions & Mounting | |
| Wheel Diameter | 8" |
| Wheel Tread Width | 2" |
| Mount Style | Plate |
| Rig Type | Rigid |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Brake Type | No Brake |
| Materials & Finish | |
| Wheel Material | Cast Iron |
| Frame Material | Zinc Plated Steel |
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View all 8′ x 2′ casters & wheels →
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| — | 8" × 2"Cast Iron | Rigid | — | $150.00 | Viewing | |
| 275 lbsHeavier duty | 8" × 2"Gray Rubber | Swivel | 9-1/2" | $61.00 | View → | |
| 400 lbsHeavier duty | 8" × 2"Gray Rubber | Rigid | 9-1/2" | $62.00 | View → | |
| 600 lbsHeavier duty | 8" × 2"Gray Rubber | — | — | $31.00 | View → | |
| 600 lbsHeavier duty | 8" × 2"Gray Rubber | Rigid | 9-1/2" | $36.00 | View → |





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