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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-0856
Engineered for long-term performance and reliability, the Durastar 1/2"-13 x 3-1/4" stainless steel axle with nylon insert jam nut is a high-performance solution for S30 Series caster assemblies. Whether you're replacing a worn axle or upgrading for better durability, this precision-machined component ensures optimal fit and functionality.
The stainless steel construction offers superior protection against corrosion and wear, making it ideal for environments such as medical facilities, food processing plants, or manufacturing floors where cleanliness and durability are essential.
Included with the axle is a 5/16" thick jam nut equipped with a nylon insert that prevents loosening under vibration, enhancing safety and stability in mobile applications. This combination guarantees a tight, reliable connection—crucial for equipment that experiences constant movement or load shifts.
Upgrade your caster assembly with Durastar’s premium stainless steel axle and jam nut set—engineered for strength, longevity, and secure performance in the most demanding applications.
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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.
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We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
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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.
Designed specifically for the Durastar S30 Series casters, this 1/2"-13 x 3-1/4" stainless steel axle delivers uncompromising strength and corrosion resistance in demanding work environments. Whether used in medical, food service, manufacturing, or cleanroom applications, this axle offers the reliability and precision required for mission-critical caster performance.
The axle is crafted from high-quality stainless steel to ensure exceptional resistance to rust and environmental wear, making it an ideal choice for use in wet, corrosive, or sterile conditions. Paired with a 5/16" thick jam nut featuring a nylon insert, this fastening solution is built to remain secure under heavy vibration, frequent movement, and shifting loads.
The included nylon insert jam nut provides enhanced locking capabilities that help prevent loosening over time—a key requirement in applications where caster assemblies are exposed to constant motion or heavy-duty use. This feature not only boosts safety but also reduces maintenance needs and prolongs the life of your equipment.
This axle and nut set is engineered for seamless integration with Durastar’s S30 Series casters, ensuring a precise fit and optimal mechanical performance. Its user-friendly design simplifies installation, making it suitable for both OEM manufacturers and end-users performing maintenance or upgrades.
Choose Durastar’s 1/2"-13 x 3-1/4" stainless steel axle and nylon insert jam nut for a dependable caster connection that stands up to the challenges of industrial and sanitary environments. Built with performance, safety, and longevity in mind, this product reflects Durastar’s commitment to quality and innovation.
$15.00
Designed for engineers, manufacturers, and material handling professionals