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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

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Sockets & T-nuts For Casters
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Axles

Custom made to order. All sales final.

Each Hamilton product is custom manufactured for your order (lead time is shown on each product page). Please confirm all specs before checkout, since made-to-order items aren't eligible for returns, exchanges or refunds. Need help? Call 844-439-4335 or email info@casterhq.com and we'll verify fit for you.

Axles. Axles sizes listed include 6 in, 11 in, 9 in, 5 in and 6-1/2 in.

Shop by type

4 types

Wheel = wheel diameter · capacity is per caster.

TieredPricing
Hamilton 320611 Caster Axle Hex Head Cap Screw 1/2" dia. 13 (NC) x 3-1/4" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320611 1/2" x 3-1/4" Caster Axle Hex Head Cap Screw & Nut
Part # 320611
$11.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320611 1/2" dia. - 13 (NC)...
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TieredPricing
Hamilton 320120 Caster Axle Hex Head Cap Screw 5/16"-3/8" dia. 24 (NC) x 2-3/8" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320120 5/16"-3/8" Caster Axle Hex Head Cap Screw & Nut
Part # 320120
$7.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320120 5/16" - 3/8" dia. -...
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TieredPricing
Hamilton 321520 Caster Axle Hex Head Cap Screw 1-1/4" dia. - 12 (NC) x 11-3/4" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321520 1-1/4" x 11-3/4" Caster Axle Hex Head Cap Screw
Part # 321520
$134.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321520 1-1/4" dia. - 12 (NC)...
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TieredPricing
Hamilton 321500 Caster Axle Hex Head Cap Screw 1-1/4" dia. - 12 (NC) x 11" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321500 1-1/4" x 11" Caster Axle Hex Head Cap Screw & Nut
Part # 321500
$134.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321500 1-1/4" dia. - 12 (NC)...
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TieredPricing
Hamilton 321480 Caster Axle Hex Head Cap Screw 1-1/4" dia. - 12 (NC) x 9-1/2" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321480 1-1/4" x 9-1/2" Caster Axle Hex Head Cap Screw & Nut
Part # 321480
$116.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321480 1-1/4" dia. - 12 (NC)...
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TieredPricing
Hamilton 321460 Caster Axle Hex Head Cap Screw 1-1/4" dia. - 12 (NC) x 7-5/8" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321460 1-1/4" x 7-5/8" Caster Axle Hex Head Cap Screw
Part # 321460
$89.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321460 1-1/4" dia. - 12 (NC)...
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TieredPricing
Hamilton 321440 Caster Axle Hex Head Cap Screw 1-1/4" dia. - 12 (NC) x 6-3/4" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321440 1-1/4" x 6-3/4" Caster Axle Hex Head Cap Screw & Nut
Part # 321440
$79.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321440 1-1/4" dia. - 12 (NC)...
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TieredPricing
Hamilton 321420 Caster Axle Hex Head Cap Screw 1-1/4" dia. - 12 (NC) x 5-5/8" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321420 1-1/4" x 5-5/8" Caster Axle Hex Head Cap Screw
Part # 321420
$75.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321420 1-1/4" dia. - 12 (NC)...
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TieredPricing
Hamilton 321235 Caster Axle Hex Head Cap Screw 1" dia. - 14 (NC) x 15-1/4" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321235 1" x 15-1/4" Caster Axle Hex Head Cap Screw & Nut
Part # 321235
$95.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321235 1" dia. - 14 (NC)...
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TieredPricing
Hamilton 321200 Caster Axle Hex Head Cap Screw 1" dia. - 14 (NC) x 9" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321200 1" x 9" Caster Axle Hex Head Cap Screw & Nut
Part # 321200
$81.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321200 1" dia. - 14 (NC)...
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TieredPricing
Hamilton 321180 Caster Axle Hex Head Cap Screw 1" dia. - 14 (NC) x 8-1/4" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321180 1"-14 x 8-1/4" Caster Axle Hex Head Cap Screw & Nut
Part # 321180
$68.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321180 1" dia. - 14 (NC)...
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TieredPricing
Hamilton 321160 Caster Axle Hex Head Cap Screw 1" dia. - 14 (NC) x 7-1/2" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321160 1" x 7-1/2" Caster Axle Hex Head Cap Screw & Nut
Part # 321160
$49.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321160 1" dia. - 14 (NC)...
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TieredPricing
Hamilton 321153 Caster Axle Hex Head Cap Screw 1" dia. - 14 (NC) x 6" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321153 1" x 6" Caster Axle Hex Head Cap Screw & Nut
Part # 321153
$59.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321153 1" dia. - 14 (NC)...
Shop Product
TieredPricing
Hamilton 321140 Caster Axle Hex Head Cap Screw 1" dia. - 14 (NC) x 5" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321140 1" x 5" Caster Axle Hex Head Cap Screw & Nut
Part # 321140
$67.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321140 1" dia. - 14 (NC)...
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TieredPricing
Hamilton 321005 Caster Axle Hex Head Cap Screw 3/4" dia. - 10 (NC) x 11" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 321005 3/4" x 11" Caster Axle Hex Head Cap Screw & Nut
Part # 321005
$44.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 321005 3/4" dia. - 10 (NC)...
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TieredPricing
Hamilton 320970 Caster Axle Hex Head Cap Screw 3/4" dia. - 10 (NC) x 9" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320970 3/4" x 9" Caster Axle Hex Head Cap Screw & Nut
Part # 320970
$54.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320970 3/4" dia. - 10 (NC)...
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TieredPricing
Hamilton 320960 Caster Axle Hex Head Cap Screw 3/4" dia. - 10 (NC) x 8" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320960 3/4" x 8" Caster Axle Hex Head Cap Screw & Nut
Part # 320960
$61.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320960 3/4" dia. - 10 (NC)...
Shop Product
TieredPricing
Hamilton 320950 Caster Axle Hex Head Cap Screw 3/4" dia. - 10 (NC) x 6-1/2" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320950 3/4" x 6-1/2" Caster Axle Hex Head Cap Screw & Nut
Part # 320950
$23.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320950 3/4" dia. - 10 (NC)...
Shop Product
TieredPricing
Hamilton 320940 Caster Axle Hex Head Cap Screw 3/4" dia. - 10 (NC) x 6" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320940 3/4" x 6" Caster Axle Hex Head Cap Screw & Nut
Part # 320940
$12.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320940 3/4" dia. - 10 (NC)...
Shop Product
TieredPricing
Hamilton 320920 Caster Axle Hex Head Cap Screw 3/4" dia. - 10 (NC) x 5-1/2" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320920 3/4" x 5-1/2" Caster Axle Hex Head Cap Screw & Nut
Part # 320920
$12.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320920 3/4" dia. - 10 (NC)...
Shop Product
TieredPricing
Hamilton 320720 Caster Axle Hex Head Cap Screw 1/2" dia. 13 (NC) x 6-1/2" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320720 1/2" x 6-1/2" Caster Axle Hex Head Cap Screw & Nut
Part # 320720
$13.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320720 1/2" dia. - 13 (NC)...
Shop Product
TieredPricing
Hamilton 320710 Caster Axle Hex Head Cap Screw 1/2" dia. 13 (NC) x 6" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320710 1/2" x 6" Caster Axle Hex Head Cap Screw & Nut
Part # 320710
$14.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320710 1/2" dia. - 13 (NC)...
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TieredPricing
Hamilton 320700 Caster Axle Hex Head Cap Screw 1/2" dia. 13 (NC) x 5-1/2" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320700 1/2" x 5-1/2" Caster Axle Hex Head Cap Screw & Nut
Part # 320700
$8.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320700 1/2" dia. - 13 (NC)...
Shop Product
TieredPricing
Hamilton 320680 Caster Axle Hex Head Cap Screw 1/2" dia. 13 (NC) x 5" Long with Nut - Durable & Versatile for Industrial Use Hamilton
Made to Order · 4-6 Wk
Hamilton 320680 1/2" x 5" Caster Axle Hex Head Cap Screw & Nut
Part # 320680
$8.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Hamilton Caster Axle Hex Head Cap Screw - 320680 1/2" dia. - 13 (NC)...
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Axles on this page

Type Widths or sizes
Axle or bolt 1 in

Summary of axles from product titles and fields [S1].

Before you order

  1. Match bore, length and thread on the old part before ordering axles.
  2. Check that replacement axles fit both the wheel bore and the axle diameter.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

Sources

  • [S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.

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