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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.

Size Image 1
BHP: 1-3/4″ × 2-7/8″, slotted to 3″
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BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″
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BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)
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BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"
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(3″ Wide Casters) — Industry-Standard
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BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"
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BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"
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View All • 21 Plate Sizes
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Plate Casters
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Stem Casters
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Stainless Casters
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Ergonomic Casters
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Leveling Casters
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Wheel Material Guide

Polyolefin Wheels

High Temperature Wheels

Track Wheels (All Types)

Hand Truck Wheels

Rubber Wheels (All Types)

Nylon Wheels

Keyed Drive Wheels

Pneumatic Wheels

Atx Off-road Wheels

Poly Wheels (All Types)

Phenolic Wheels

Metal Wheels (All Types)

Flat-free (Foam-filled)

Wheel Replacement Parts
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Caster Plate Mounting Hardware

Quick Change Caster Pads

Caster Frames - Swivel & Rigid

Sockets & T-nuts For Casters

Washers

Expanding Rubber Adapter Kits

Bumpers

Axles & Nuts

Spanner Bushings

Caster Shims & Weld Plates

Furniture Glides

Floor Truck Locks

Swivel Locks

Wheel Bearings
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Furniture Dollies

Hydraulic Lift Tables

Utility Carts

Pallet Dollies

Safe & Applicance Dollies

Carts & Platform Trucks

Hand Trucks & Accessories

Ratchet Straps & Tie Downs

Three Wheel Dollies

Wire Shelving

Pallet Jacks

Stackers

Heavy Duty Tilt Trucks

Ball Transfers

Moving Supplies
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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
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ALBION CASTERS

BLICKLE CASTERS

HAMILTON CASTERS

P&H CASTERS

SHEPHERD CASTERS

B&P MANUFACTURING

SAFE 'N SECURE

HUDSON BEARINGS

QUANTUM STORAGE

AMERICAN MOVING SUPPLIES

COLSON CASTERS

DURASTAR CASTERS

CORPS DESIGN

FAULTLESS MEDICAL CASTERS

Zinc-Plated Zerk Axles for Casters and Wheels

Zinc-plated axles are the most affordable and commonly used commodity axle in the caster and wheel industry. Our axles have zerk/grease fittings and include the nuts on every order. Each Zerk Axle will include a Lock Nut to securely tighten your product without the chance of the nut coming loose for increased safety and durability. Why buy your axles and nuts from anywhere else? We guarantee our quality and offer the lowest prices online! Shop Axles and Nuts from CasterHQ!
Questions? Please Call us @ 844-439-4335 or Contact Us Here

For quick online service please email us: sales@casterhq.com and a Caster Expert will help you answer any questions.
We ship Fast!!!
If ordered before 12 noon we ship all orders typically ship SAME DAY!
All orders received after 12 noon will ship the following business day!

Caster Engineering Tools

These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.

Get Application Help Open Engineering Tools Hub
CasterSpec™ Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
▾ Expand full calculator
Load
Copied.
Base per caster
—
Worst-case per caster
—
Recommended rating
—
Spec output (auto-generated)
—
Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch™ Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
▾ Expand full selector
Wheel
Copied.
Primary recommendation
—
Good alternate
—
When to avoid
—
Spec output (auto-generated)
—
Engineers share tools that output a clean “why” line.
PushForce™ Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
▾ Expand full push/pull
Push
Copied.
Estimated total force
—
Per operator
—
Pass / target
—
Spec output (auto-generated)
—
If effort is high: bigger wheels + better material + smoother path wins.
More engineering tools ▾

Engineering Tools Hub

All tools + dedicated pages (best for sharing and EEAT). Open hub

Load Calculator (dedicated)

Share this page when discussing load rating per caster. Open load tool

Wheel Diameter Calculator

Publish the dedicated page, then replace this link. Find in hub

Failure Diagnosis Tool

Publish the dedicated page, then replace this link. Find in hub

(1) Piece - 1/2" x 3-3/8" Zerk Axle & Nut - | CasterHQ
(1) Piece - 1/2" x 3-3/8" Zerk Axle & Nut
(1) Piece - 1/2" x 3-3/8" Zerk Axle & Nut $4.00 USD
5/16 Inch x 2-1/4 Inch Shopping Cart Axle & Lock Nut - Universal Fit | Fits Most Standard Carts - | CasterHQ
5/16 Inch x 2-1/4 Inch Shopping Cart Axle & Lock Nut - Universal Fit | Fits Most Standard Carts
5/16 Inch x 2-1/4 Inch Shopping Cart Axle & Lock Nut - Universal Fit | Fits Most Standard Carts $3.00 USD
(1) Piece - 3/8" x 2-1/4" Axle & Nut - | CasterHQ
(1) Piece - 3/8" x 2-1/4" Axle & Nut
(1) Piece - 3/8" x 2-1/4" Axle & Nut $3.00 USD
(1) Piece - 1/2" x 2-7/8" Zerk Axle & Nut - | CasterHQ
(1) Piece - 1/2" x 2-7/8" Zerk Axle & Nut
(1) Piece - 1/2" x 2-7/8" Zerk Axle & Nut $4.00 USD
(1) Piece - 3/4" x 4-3/4" Zerk Axle & Nut - | CasterHQ
(1) Piece - 3/4" x 4-3/4" Zerk Axle & Nut
(1) Piece - 3/4" x 4-3/4" Zerk Axle & Nut $11.00 USD
(1) Piece - 1/2" x 3" Zerk Axle & Nut - | CasterHQ
(1) Piece - 1/2" x 3" Zerk Axle & Nut
(1) Piece - 1/2" x 3" Zerk Axle & Nut $4.00 USD
(1) Piece - 3/4" x 4-1/4" Zerk Axle & Nut - | CasterHQ
(1) Piece - 3/4" x 4-1/4" Zerk Axle & Nut
(1) Piece - 3/4" x 4-1/4" Zerk Axle & Nut $10.00 USD
(1) Piece - 1/2" x 4" Plain Axle & Nut - | CasterHQ
(1) Piece - 1/2" x 4" Plain Axle & Nut
(1) Piece - 1/2" x 4" Plain Axle & Nut $10.00 USD
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Industrial and Commercial Engineered Casters

Designed for engineers, manufacturers, and material handling professionals

Plate Casters

Industry-leading plate casters for strength and reliability.

Stem Casters

Versatile stem casters: expandable rubber, threaded , and grip ring.

Stainless Casters

304 stainless steel casters: rust-resistant for tough, wet, and corrosive conditions

Ergonomic Casters

Effortless mobility, cutting push-pull force by over 30% and lowering injury risks.

Leveling Casters

Trusted worldwide for precision leveling and unmatched stability.
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