Certified Where It Matters | Exceeds ICWM Standards • ANSI Tested • NSF Certified • RoHS Compliant
The Most Trusted Source for Industrial Casters | 100,000+ Orders Fulfilled for OEMs & MRO Teams
Products Manufactured in ISO 9001:2015-Certified Facilities | Trusted by OEMs & MRO Teams
In Stock. Ready to Ship. Trusted by Industry Pros.
Caster Specialists Ready to Help | Get Fast Guidance for OEM & MRO Applications
Guaranteed Lowest Pricing on Bulk Orders | Automatic Discounts Applied Instantly at Checkout
Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
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.
Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: SAZ-0848
Elevate your caster performance with the Durastar 1/2"-13 OD x 3" Length Stainless Steel Axle and 5/16" Jam Nylon Insert Nut. This essential axle hardware is precision-engineered to provide a secure, high-performance fit for Durastar’s S30 Series casters. Built from corrosion-resistant stainless steel, this axle assembly ensures reliable strength and durability in the most challenging environments.
Designed to accommodate frequent motion and heavy loads, the 5/16" thick nylon insert nut adds an extra layer of vibration protection and safety, locking the axle securely in place. Whether you're upgrading or replacing axle components, this solution delivers the confidence and resilience required in industrial, institutional, and commercial applications.
Backed by quality manufacturing and trusted standards, Durastar hardware components offer the long-term performance professionals expect. For seamless compatibility, easy installation, and durable results, choose Durastar axle assemblies engineered for the S30 Series and beyond.
Upgrade your axle hardware with the precision, strength, and reliability of Durastar’s stainless steel axle and jam nut combo—perfectly suited for the S30 Series casters and built to last.
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.
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.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
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.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
The Durastar 1/2"-13 x 3" Stainless Steel Axle with 5/16" Nylon Insert Jam Nut is a premium hardware component designed to deliver durability, stability, and performance in high-demand caster applications. Built with a corrosion-resistant stainless steel body and a precision-machined thread profile, this axle offers a secure fit for a wide range of caster assemblies, especially within the Durastar S30 Series.
This axle features a coarse 1/2"-13 thread and a 3" length, optimized for easy installation and long-term retention under load. The accompanying 5/16"-thick nylon insert jam nut delivers superior locking strength by reducing the risk of loosening due to vibration or continuous movement. This ensures a consistent and secure connection—crucial for industrial, institutional, and commercial environments.
The axle and nut combination is not only engineered for the S30 Series casters but also works well in various heavy-duty caster systems that require a robust and dependable axle solution. Whether you're conducting routine maintenance, building a new cart, or replacing worn components, this kit simplifies the process while improving your caster performance.
Professionals across industries trust Durastar for dependable mobility hardware, and this stainless steel axle assembly lives up to that reputation. From its high-strength materials to its vibration-resistant design, every aspect of this product has been engineered for safety, ease of use, and long-lasting performance in rigorous environments.
Upgrade your caster systems with the precision, safety, and reliability of Durastar’s stainless steel axle and nylon insert jam nut assembly—purpose-built for professionals who demand more from their equipment.
$15.00
Designed for engineers, manufacturers, and material handling professionals