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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.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″
BHP: 1-3/4″ × 2-7/8″, slotted to 3″
BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″
BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″
BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)
BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)
BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"
BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"
(3″ Wide Casters), Industry-Standard
(3″ Wide Casters), Industry-Standard
BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"
BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"
BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"
BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"
View All • 21 Plate Sizes
View All • 21 Plate Sizes
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Caster Wheel Materials & Selection Guide

Caster Wheel Materials & Selection Guide
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Phenolic Wheels
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Metal Wheels (All Types)
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Flat-free (Foam-filled)
Wheel Replacement Parts

Wheel Replacement Parts
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Caster Plate Mounting Hardware

Caster Plate Mounting Hardware
Quick Change Caster Pads

Quick Change Caster Pads
Caster Frames - Swivel & Rigid

Caster Frames - Swivel & Rigid
Sockets & T-nuts For Casters

Sockets & T-nuts For Casters
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Washers
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Expanding Rubber Adapter Kits
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Axles & Nuts
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Caster Shims & Weld Plates
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Furniture Glides
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Floor Truck Locks
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Swivel Locks
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Wheel Bearings
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6" x 2" Forged Steel Casters

Plate sizes: 4-1/2 x 6-1/2Diameter: 4, 6 inTread: 2 inCapacity: up to 2,560 lb
Match a 4-1/2 x 6-1/2 top plate when bolting casters under heavy warehouse carts, die carts, and plant fixtures. Catalog chips cover wheel diameters 4, 6 in, steel treads, and capacities 1,120 to 2,560 lb. For dual-wheel or wide treads, check fork clearance and swivel radius in tight aisles. Larger plates spread bolt stress on thick frames under continuous tow abuse.

Shop by type

3 types

Wheel = wheel diameter · capacity is per caster.

1600 lbs
TieredPricing
Hamilton 6" Rigid Caster - HSK Inferno Series - High Heat 750°F Rated - 6x2 Forged Steel Wheel - 1/2" Stainless Steel Shielded Ball Bearings - 1600lbs Capacity at 550°F, 800lbs at 750°F Hamilton
Made to Order · 4-6 Wk
Hamilton 6" x 2" Forged Steel Rigid Caster – 1600 lb
Part # R-HSK-6HFSB
from $291.00
Volume pricing available
Forged Steel
Load rating
1600 lbs
Diameter 6"
Capacity 1600 lbs
Wheel Forged Steel
More Details Less Details
Width 2"
Height 7-3/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton 6" HSK Inferno Series Rigid Caster Optimized for High Heat Environments | Load...
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2400 lbs
TieredPricing
Hamilton Inferno Series 6" x 2" Dual-Wheel Swivel Caster - High Heat 750°F Rated, 2400lbs Load Capacity @ 550°F, 1200lbs @ 750°F, Forged Steel Wheels with 1/2" HH Precision Shielded Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 6" x 2" Forged Steel Swivel Dual Wheel Caster – 2400 lb
Part # S-HSK2-6HFSB
from $890.00
Volume pricing available
Forged SteelPlate
Load rating
2400 lbs
Diameter 6"
Capacity 2400 lbs
Wheel Forged Steel
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 8.125"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Inferno Series 6" x 2" Dual-Wheel Swivel Caster High-Temperature Performance | 2400lbs Load...
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2200 lbs
TieredPricing
Hamilton HSK2 Inferno Series 4" x 2" Dual-Wheel Swivel Caster - 2200lbs Load Capacity at 550°F, 1100lbs at 750°F - Kingpinless with Forged Steel Wheels & 1/2" Precision Shielded Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton HSK2 4" x 2" Forged Steel Dual Wheel Swivel Caster – 2200 lb
Part # S-HSK2-4HFSB
from $869.00
Volume pricing available
Forged SteelPlate
Load rating
2200 lbs
Diameter 4"
Capacity 2200 lbs
Wheel Forged Steel
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 6"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton HSK2 Inferno Series 4" x 2" Dual-Wheel Swivel Caster High-Temperature Performance | Up...
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1600 lbs
TieredPricing
Hamilton 6" Kingpinless Swivel Caster - HSK Inferno Series - High Heat 750°F Rated - 6x2 Forged Steel Wheel - 1/2" Stainless Steel Shielded Ball Bearings - 1600lbs Capacity at 550°F, 800lbs at 750°F Hamilton
Made to Order · 4-6 Wk
Hamilton 6" x 2" Forged Steel Swivel Kingpinless Caster – 1600 lb
Part # S-HSK-6HFSB
from $432.00
Volume pricing available
Forged Steel
Load rating
1600 lbs
Diameter 6"
Capacity 1600 lbs
Wheel Forged Steel
More Details Less Details
Width 2"
Height 7-3/4"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton 6" HSK Inferno Series Kingpinless Swivel Caster Optimized for High Heat Environments |...
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1120 lbs
TieredPricing
Hamilton Inferno Series 4" x 2" Forged Steel Swivel Caster - High Heat HSK Kingpinless, 1120 lbs. Load @ 550° F, 560 lbs. Load @ 750° F with 1/2" Stainless Steel Shielded Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 2" Forged Steel Swivel Kingpinless Caster – 1120 lb
Part # S-HSK-4HFSB
from $432.00
Volume pricing available
Forged SteelPlate
Load rating
1120 lbs
Diameter 4"
Capacity 1120 lbs
Wheel Forged Steel
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 5.625"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton Inferno Series 4" x 2" Forged Steel Swivel Caster High-Temperature Durability | Exceptional...
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2560 lbs
TieredPricing
Hamilton FMK Series 8" Swivel Caster - High Heat Kingpinless - 2560 lbs. Capacity @ 550°F, 1280 lbs. @ 750°F - Forged Steel Wheel with 3/4" Stainless Steel Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton FMK 8" x 3" Forged Steel Swivel Kingpinless Caster – 2560 lb
Part # S-FMK-83HFSB
$1,122.00
Volume pricing available
Steel
Load rating
2560 lbs
Diameter 8"
Capacity 2560 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 10-1/4"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range Up to 750°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
Hamilton FMK Series 8" Swivel Caster: Durability in High Heat Conditions Maintenance-Free Design |...
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2560 lbs
TieredPricing
S-FMK-63HFSB High-Temperature Load Capacity Bearing: 2560 lbs. @ 550° F, 1280 lbs. @ 750° F - Premium E-commerce Choice Hamilton
Made to Order · 4-6 Wk
Hamilton S-FMK-63HFSB 6" x 3" Forged Steel Wheel – 2560 lb
Part # S-FMK-63HFSB
$869.00
Volume pricing available
Steel
Load rating
2560 lbs
Diameter 6"
Capacity 2560 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 7-1/2"
Core Steel
Temp Range -20°F to 180°F
Rig Type Swivel
Brake No Brake
Frame Zinc Plated Steel
S-FMK-63HFSB High-Temperature Load Capacity Bearing Optimal Load & Heat Resistance | Premium Quality Key...
Shop Product
2400 lbs
TieredPricing
Hamilton Inferno Series 6" x 2" Dual-Wheel Rigid Caster - High Heat 750°F Rated, 2400lbs Load Capacity @ 550°F, 1200lbs @ 750°F, Forged Steel Wheels with 1/2" HH Precision Shielded Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 6" x 2" Forged Steel Rigid Dual Wheel Caster – 2400 lb
Part # R-HSK2-6HFSB
from $627.00
Volume pricing available
Forged SteelPlate
Load rating
2400 lbs
Diameter 6"
Capacity 2400 lbs
Wheel Forged Steel
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 8.125"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Inferno Series 6" x 2" Dual-Wheel Rigid Caster High-Temperature Performance | 2400lbs Load...
Shop Product
2200 lbs
TieredPricing
Hamilton HSK2 Inferno Series 4" x 2" Dual-Wheel Rigid Caster - 2200lbs Load Capacity at 550°F, 1100lbs at 750°F - Weldment with Forged Steel Wheels & 1/2" Precision Shielded Ball Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton HSK2 4" x 2" Forged Steel Rigid Dual Wheel Caster – 2200 lb
Part # R-HSK2-4HFSB
from $641.00
Volume pricing available
Forged SteelPlate
Load rating
2200 lbs
Diameter 4"
Capacity 2200 lbs
Wheel Forged Steel
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 6"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton HSK2 Inferno Series 4" x 2" Dual-Wheel Rigid Caster High-Temperature Performance | Up...
Shop Product
1120 lbs
TieredPricing
Hamilton Inferno Series 4" x 2" Forged Steel Rigid Caster - High Heat HSK, 1120 lbs. Load @ 550° F, 560 lbs. Load @ 750° F with 1/2" Stainless Steel Shielded Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton 4" x 2" Forged Steel Rigid Caster – 1120 lb
Part # R-HSK-4HFSB
from $304.00
Volume pricing available
Forged SteelPlate
Load rating
1120 lbs
Diameter 4"
Capacity 1120 lbs
Wheel Forged Steel
Mount Plate
Plate Size 4-1/2" x 6-1/2"
More Details Less Details
Width 2"
Height 5.625"
Bolt Pattern 2-7/16" x 4-15/16" and 3-3/8" x 5-1/4"
Core Steel
Temp Range -22°F to 750°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton Inferno Series 4" x 2" Forged Steel Rigid Caster High-Temperature Durability | Exceptional...
Shop Product
2560 lbs
TieredPricing
Hamilton FMK Series 8" Rigid Caster - High Heat Weldment - 2560 lbs. Capacity @ 550°F, 1280 lbs. @ 750°F - Forged Steel Wheel with 3/4" Stainless Steel Bearings Hamilton
Made to Order · 4-6 Wk
Hamilton FMK 8" x 3" Forged Steel Rigid Caster – 2560 lb
Part # R-FMK-83HFSB
$701.00
Volume pricing available
Steel
Load rating
2560 lbs
Diameter 8"
Capacity 2560 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 10-1/4"
Core Steel
Temp Range Up to 750°F
Rig Type Rigid
Brake No Brake
Frame Zinc Plated Steel
Hamilton FMK Series 8" Rigid Caster: Durability in High Heat Conditions Maintenance-Free Design |...
Shop Product
2560 lbs
TieredPricing
R-FMK-63HFSB High-Temperature Load Capacity Bearing: 2560 lbs. @ 550° F, 1280 lbs. @ 750° F - Premium E-commerce Choice Hamilton
Made to Order · 4-6 Wk
Hamilton R-FMK-63HFSB 6" High-Temperature Wheel – 2560 lb
Part # R-FMK-63HFSB
$719.00
Volume pricing available
Steel
Load rating
2560 lbs
Diameter 6"
Capacity 2560 lbs
Wheel Steel
More Details Less Details
Width 3"
Height 7-1/2"
Core Steel
Temp Range -20°F to 180°F
Frame Zinc Plated Steel
R-FMK-63HFSB High-Temperature Load Capacity Bearing Optimal Load & Heat Resistance | Premium Quality Key...
Shop Product

Hamilton MagmaMax Extra Heavy Duty Casters with Inferno Forged Steel Wheels

High-Impact Inferno Forged Steel Wheels | Top-Grade Load Capacity

Unrivaled Strength for Industrial Demands

Unleash the power of the Hamilton MagmaMax Extra Heavy Duty Casters, engineered to conquer the most demanding industrial applications. These casters boast high-impact Inferno Forged Steel Wheels designed for maximum durability and load-bearing capabilities, ensuring seamless mobility for even the heaviest loads.

Experience the MagmaMax Difference

The MagmaMax series stands out in the heavy-duty caster category, providing an exceptional blend of strength and performance. With their remarkable endurance and ease of movement, these casters represent the pinnacle of Hamilton's commitment to quality and customer satisfaction. Opt for Hamilton's MagmaMax series and witness an immediate enhancement in operational efficiency and reliability.

Professional Guidance for Optimal Caster Selection

Are you considering the Hamilton MagmaMax Casters for your heavy-duty needs? Our team of Caster Specialists is on standby to assist you.

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