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3/8-16" x 2-1/4" Stainless Steel Axle & 5/16" Jam Nut for S24 Casters | CasterHQ

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  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: In Stock · Ships in 1-3 Business Days
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Typically Ships in 1-3 Business Days. Same-day processing for orders received before 12pm CT (Mon–Fri).

PRODUCT CODE: SAZ-0636

Product Overview

Durastar 3/8-16" x 2-1/4" Stainless Steel Axle & 5/16" Jam Nut – For S24 Series Casters


Product Features

  • Thread Size: 3/8"-16 outer diameter with 2-1/4" total length
  • Nut Thickness: Includes a precision-machined 5/16" thick jam nut
  • Corrosion Resistance: Constructed from stainless steel for exceptional durability in harsh environments
  • Compatibility: Specifically designed for Durastar’s S24 Series casters
  • Secure Fit: Provides a snug and secure axle connection for optimal wheel performance
  • Industrial Grade: Ideal for heavy-duty and medium-duty mobility systems
  • Easy Installation: Pre-threaded for seamless attachment and long-term performance
  • Versatile Use: Perfect for carts, equipment, and rolling platforms in medical, food service, and industrial settings
  • Made for Demanding Use: Maintains structural integrity under frequent load cycles
  • Precision Engineering: Manufactured to exact specifications for smooth operation and long wear life

Upgrade your caster systems with the Durastar 3/8-16" x 2-1/4" Stainless Steel Axle and 5/16" Jam Nut, expertly crafted to meet the demanding standards of industrial and commercial applications. Whether replacing components or customizing S24 Series caster assemblies, this axle and nut set delivers precise performance and long-lasting durability.

Manufactured from high-grade stainless steel, this axle is engineered to withstand corrosive environments while maintaining its structural integrity. The included 5/16" thick jam nut ensures a tight fit and added resistance to loosening under dynamic loads. This makes it a trusted component in applications ranging from food processing to cleanrooms and heavy-use industrial equipment.

Designed specifically for compatibility with the Durastar S24 Series, this axle and nut set simplifies installation while enhancing caster functionality. Choose Durastar for reliable performance, superior materials, and engineered excellence that keeps your equipment moving smoothly.

Precision That Keeps You Rolling

Ensure a solid, reliable caster setup with the Durastar stainless steel axle and jam nut assembly—perfectly suited for S24 Series applications and built to last.

Key Features

Top 10 Product Features

  • Stainless Steel Construction: Built for superior corrosion resistance in harsh environments such as food service, medical, and industrial settings.
  • Precision Thread Size: 3/8"-16 outer diameter ensures a snug, reliable fit for smooth axle integration.
  • Extended Length: 2-1/4" overall length offers flexibility for a variety of caster mounting configurations.
  • Secure Jam Nut: Includes a 5/16" thick jam nut for added stability and anti-loosening under dynamic load conditions.
  • Engineered for S24 Series: Tailored to fit Durastar's S24 Series casters, ensuring compatibility and optimized performance.
  • Heavy-Duty Use: Ideal for demanding industrial applications requiring consistent load support and durability.
  • Easy Installation: Pre-threaded design allows for fast, hassle-free setup with minimal tools.
  • Reliable Performance: Maintains strength and structural integrity through frequent and high-load usage.
  • Versatile Application: Perfect for rolling equipment, carts, and platforms in commercial, industrial, or hygienic environments.
  • Precision Machined: Manufactured to exact specifications for a secure fit and long-lasting wear resistance.
Ordering & Shipping Information

Transparent pricing

All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.

Upfront shipping costs

Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.

Business-friendly ordering

We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.

Real support from product specialists

Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.

Trusted by industrial and commercial customers

CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.

  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

When will my order ship?

In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.

Will shipping cost more at checkout?

Shipping is not free on most orders. Your final shipping cost is shown before payment.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Additional Information

Durastar 3/8-16" x 2-1/4" Stainless Steel Axle & 5/16" Jam Nut – S24 Series Compatible


The Durastar 3/8-16" x 2-1/4" Stainless Steel Axle and 5/16" Jam Nut is a premium hardware component engineered for durability, compatibility, and performance. Designed specifically for the S24 Series casters, this axle assembly enhances the structural integrity and operational reliability of caster-mounted systems across a range of industries.

Reliable Design for Demanding Environments

Constructed from high-grade stainless steel, this axle and jam nut set is built to endure high-moisture, corrosive, or high-traffic environments such as food processing, healthcare, and manufacturing facilities. Its robust design offers strong load support while minimizing maintenance requirements over time.

Engineered for Seamless Compatibility

This axle measures 2-1/4" in length and features a 3/8"-16 threaded outer diameter, ensuring a precise fit within caster assemblies. The included 5/16" thick jam nut provides added torque retention, keeping your caster wheels securely in place even under repetitive motion and vibration. Specifically matched for the Durastar S24 Series, this component streamlines the upgrade or replacement process.

Fast Installation, Long-Term Confidence

Thanks to its pre-threaded design and precision-machined specifications, installation is fast and hassle-free. Whether you're managing a new cart build or replacing worn-out hardware, this axle and jam nut combo provides the confidence of a secure, enduring connection for your caster wheels.

Ideal for Industrial, Medical & Commercial Use

This axle set is a versatile solution trusted across industries. From cleanroom transport systems and hospital beds to industrial carts and warehouse dollies, its strength and reliability support safe, efficient mobility across a wide range of applications.

Durastar – Built for Professionals Who Demand More

When performance, precision, and durability matter, the Durastar axle and jam nut set delivers. Choose a component that meets your industry's rigorous standards and supports seamless mobility where it counts.

3/8-16
3/8-16" x 2-1/4" Stainless Steel Axle & 5/16" Jam Nut for S24 Casters | CasterHQ

$14.00

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Technical Specifications

Temp Range -20°F to 180°F
Frame Material Zinc Plated Steel
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