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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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Axles and Nuts

Axles and nuts. Materials named for these axles and nuts: stainless steel and steel. Axles and nuts sizes listed include 3 in, 2-1/4 in, 3-3/8 in, 5-1/2 in and 3-1/4 in.

Shop by type

2 types

Wheel = wheel diameter · capacity is per caster.

TieredPricing
Durastar 1/2-13" OD x 3-3/8" Length Zerk Axle & a choice between 5/16" Jam Nuts Durastar
Ships in 1-3 Business Days
1/2-13" x 3-3/8" Zerk Axle & 5/16" Jam Nut for Series 30-46
Part # AZ-0856
$6.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
Durastar 1/2-13" Zerk Axle – 3-3/8" Length with Optional Jam Nuts Product Features Thread...
Shop Product
TieredPricing
Durastar 3/4-10" OD x 5-1/2" Length Zerk Axle & 7/16" Jam Nut Durastar
Ships in 1-3 Business Days
3/4"-10 x 5-1/2" Zerk Axle & 7/16" Jam Nut for 60-92 Series
Part # AZ-1288
$8.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Durastar 3/4-10" OD x 5-1/2" Length Zerk Axle & 7/16" Jam Nut – For...
Shop Product
TieredPricing
Durastar 1/2-13" OD x 3-1/4" Length Stainless Steel Axle & 5/16" Thick Jam Nut Durastar
Ships in 1-3 Business Days
1/2"-13 x 3-1/4" Stainless Steel Axle & Jam Nut for S30 Casters
Part # SAZ-0856
$15.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
Durastar Stainless Steel Axle & Nylon Insert Nut – 1/2"-13 x 3-1/4" for S30...
Shop Product
TieredPricing
Durastar 1/2-13" OD x 3" Length Stainless Steel Axle & 5/16" Thick Jam Nut Durastar
Ships in 1-3 Business Days
1/2-13" x 3" Stainless Steel Axle & Jam Nut for S30 Casters
Part # SAZ-0848
$15.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
Durastar Stainless Steel Axle & Jam Nylon Insert Nut – 1/2-13" OD x 3"...
Shop Product
TieredPricing
Durastar 3/8-16" OD x 2-1/4" Length Stainless Steel Axle & 5/16" Thick Jam Nut Durastar
Ships in 1-3 Business Days
3/8-16" x 2-1/4" Stainless Steel Axle & 5/16" Jam Nut for S24 Casters
Part # SAZ-0636
$14.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Durastar 3/8-16" x 2-1/4" Stainless Steel Axle & 5/16" Jam Nut – For S24...
Shop Product
TieredPricing
Durastar 3/4-10" OD x 4-3/4" Length Zerk Axle & 7/16" Jam Nut Durastar
Ships in 1-3 Business Days
3/4-10" x 4-3/4" Zerk Axle & 7/16" Jam Nut for 60-92 Series
Part # AZ-1276
$7.00
Volume pricing available
Size—
Capacity—
Wheel—
Mount—
Type—
Durastar 3/4-10" OD x 4-3/4" Length Zerk Axle & 7/16" Jam Nut | Compatible...
Shop Product
TieredPricing
Durastar 1/2-13" OD x 4" Length Zerk Axle & a choice between 5/16" Jam Nuts Durastar
Ships in 1-3 Business Days
1/2"-13 x 4" Zerk Axle & 5/16" Jam Nuts for 35, 46 & 100 Series
Part # AZ-0864
$7.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
Durastar 1/2-13" OD x 4" Zerk Axle with Optional 5/16" Jam Nuts – For...
Shop Product
TieredPricing
Durastar 1/2-13" OD x 3-5/8" Length Zerk Axle & a choice between 5/16" Jam Nuts Durastar
Ships in 1-3 Business Days
1/2-13" x 3-5/8" Zerk Axle & 5/16" Jam Nut for 30-46 Series
Part # AZ-0856T
$6.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
Durastar 1/2-13" OD x 3-5/8" Length Zerk Axle with Optional 5/16" Jam Nut (Nylon...
Shop Product
TieredPricing
Durastar 1/2-13" OD x 3" Length Zerk Axle & a choice between 5/16" Jam Nuts Durastar
Ships in 1-3 Business Days
1/2-13" x 3" Zerk Axle & 5/16" Jam Nut for X05 Series Casters
Part # AZ-0848
$6.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 1/2-13" OD x 3" Length Zerk Axle with 5/16" Nut Options | For...
Shop Product
TieredPricing
Durastar 3/8-24" OD x 2-1/4" Length Zerk Axle & a choice between Nuts Durastar
Ships in 1-3 Business Days
3/8-24" x 2-1/4" Zerk Axle & Nut Fits Durastar 21 22 24 Series
Part # AZ-0636
$5.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
Durastar 3/8-24" OD x 2-1/4" Zerk Axle with Optional Nylon Insert Nuts Product Features...
Shop Product
TieredPricing
Durastar 1/2-13" OD x 5-1/8" Length Plain Axle & a choice between 5/16" Nuts Durastar
Ships in 1-3 Business Days
1/2-13" x 5-1/8" Plain Axle & 5/16" Nut for 100 Series Casters
Part # AP-0882
$6.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 1/2-13" OD x 5-1/8" Length Plain Axle with 5/16" Nut Options – For...
Shop Product
TieredPricing
Durastar 3/8-24" OD x 3" Length Plain Axle & a choice between Nut Size Durastar
Ships in 1-3 Business Days
3/8-24" x 3" Plain Axle & Nut for Durastar 04 Series Casters
Part # AP-0648
$5.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 3/8-24" OD x 3" Length Plain Axle with Optional Nylon Insert Nut –...
Shop Product
TieredPricing
Durastar 3/8-24" OD x 2-1/4" Length Plain Axle & a choice between Nut Size Durastar
Ships in 1-3 Business Days
3/8-24" x 2-1/4" Plain Steel Axle & Nut for 21-26 Series Casters
Part # AP-0636
$4.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 3/8-24" OD x 2-1/4" Length Plain Axle with Nut Options – Compatible with...
Shop Product
TieredPricing
Durastar 5/16-18" OD x 2-1/8" Length Plain Axle & 3/8" Thick Nut Durastar
Ships in 1-3 Business Days
5/16-18" x 2-1/8" Plain Axle & 3/8" Nut Fits 06 Series Casters
Part # AP-0534
$3.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 5/16-18" OD x 2-1/8" Axle with 3/8" Thick Nylon Insert Lock Nut |...
Shop Product
TieredPricing
Durastar 5/16-18" OD x 2" Length Plain Axle & 3/8" Thick Nut Durastar
Ships in 1-3 Business Days
5/16-18" x 2" Axle & 3/8" Nut for 06 Series Casters
Part # AP-0532
$3.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 5/16-18" OD x 2" Axle with 3/8" Nylon Insert Lock Nut – For...
Shop Product
TieredPricing
Durastar 5/16-18" OD x 1-3/4" Length Plain Axle & 3/8" Thick Nut Durastar
Ships in 1-3 Business Days
5/16-18" x 1-3/4" Axle & 3/8" Nylon Lock Nut for 06 Series Casters
Part # AP-0528
$3.00
Volume pricing available
Nylon
Size—
Capacity—
WheelNylon
Mount—
Type—
More Details Less Details
Frame Zinc Plated Steel
Durastar 5/16-18" OD x 1-3/4" Axle with 3/8" Nylon Insert Lock Nut – For...
Shop Product

Axles and nuts on this page

Type Material
Axle or bolt stainless steel and steel

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

Before you order

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

Related to axles and nuts: zinc axles and nuts.

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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