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Engineering & Technical Knowledge Centers

Dedicated engineering resources for MROs, OEMs, manufacturers, and procurement teams. Access CAD data, load ratings, mounting standards, application guidance, and real-world caster selection frameworks.

  • OEM & Partner Guidance
  • Bulk & Contract Pricing
  • OEM & Private-Label Solutions
  • Distributor & Reseller Programs

  • CAD & Technical Drawings
  • Load Ratings & Mounting Standards
  • Industry Applications & Use Cases
  • Supported Caster Brands

Caster University: Caster Selection, Load Calculations & Application Guides

Kingpinless Casters: Complete Engineering & Industrial Failure Guide

Kingpinless casters eliminate the central rivet to prevent failure under shock load. Learn when kingpinless construction is required and how it compares to standard kingpin designs.

Warehouse cart casters: the complete spec and replacement guide

Choosing casters for warehouse carts requires the right wheel material, plate size, and load rating. This guide explains polyurethane vs phenolic, concrete floor performance, and how to calculate capacity correctly.

Heavy duty casters: the complete spec, rigging, and procurement guide

Complete industrial guide to selecting heavy duty casters based on load capacity, plate size, wheel width, and application environment.


Threaded stem casters keep loosening? The real fix, step by step

Learn why threaded stem casters loosen over time and how to prevent failure with proper torque, jam nuts, and thread locking methods.

Grip-ring vs threaded stem casters: which stem style holds up longer?

Compare grip ring and threaded stem casters for strength, retention, and industrial reliability. Learn which stem type is right for your equipment.


Threaded Stem Caster Thread Pitch Guide (UNC vs Metric Explained)

Confused about 3/8-16 vs 3/8-24? Learn how threaded stem pitch works, how to measure it, and how to avoid costly ordering mistakes.


Raw wheels vs complete casters: when to buy just the wheel

Should you replace the entire caster or just the wheel? Learn the cost, performance, and engineering differences between raw wheels and complete caster assemblies.


3/8 vs 1/2 Threaded Stem Casters: Which Is Stronger?

Compare 3/8" and 1/2" threaded stem casters for strength, load capacity, and real-world industrial use. Learn which stem size is right for your application.

Caster Wheel Materials Guide (Industrial Buyer Edition)

Complete industrial guide comparing polyurethane, rubber, phenolic, nylon, steel, pneumatic, and specialty caster wheels. Learn which wheel material fits your load, floor, and environment.


How to Measure a Threaded Stem Caster (Diameter, Pitch & Length Guide)

Learn how to measure threaded stem diameter, thread pitch, and usable length to avoid ordering the wrong replacement caster.

Types of Stem Casters Explained (Threaded, Grip Ring & Expansion)

Learn the three main types of stem casters: threaded stem, grip ring, and expanding rubber adapter. Understand when to use each mounting style.

When Do Kingpins Fail? 5 Signs You Need Kingpinless Casters

Kingpin caster failure is common in heavy-duty applications. Learn the warning signs and when to upgrade to kingpinless casters.

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Stars Trusted by 4 Millions Customers

Designed to Move. Built to Last.

Trusted by Engineers. Backed by Performance.

Plate Casters

Industry-leading plate casters for strength and reliability.

Plate casters for industrial equipment, carts, and heavy-duty applications

Stem Casters

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

Stem casters and caster wheels for carts, furniture, and industrial use

Stainless Casters

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

Stainless steel casters for medical, food service, and corrosion-resistant applications

Ergonomic Casters

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

Ergonomic casters engineered for reduced push force and smooth rolling performance

Leveling Casters

Trusted worldwide for precision leveling and unmatched stability.

Leveling casters designed for equipment stabilization and precise mobility

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