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: TG-8
Upgrade your equipment reliability with the Durastar 1/2" ID x 5-1/2" OD Steel Thread Guard, a precision-engineered component designed to protect and preserve your caster assemblies. Constructed from premium-grade steel, this thread guard serves as a durable barrier against dust, debris, and potential thread damage, helping maintain smooth operation over time.
With its industry-standard 1/2-inch inner diameter and 5-1/2-inch outer diameter, this thread guard is compatible with a wide range of casters and wheels across industrial sectors. It's a smart choice for applications involving high-volume traffic, heavy-duty rolling, or frequent equipment movement.
Whether you're outfitting a new installation or maintaining existing caster systems, Durastar’s steel thread guard helps improve performance, reduce wear, and extend service life. Backed by trusted engineering and proven durability, it’s a practical investment in operational efficiency.
Choose the Durastar Steel Thread Guard to prevent costly downtime and safeguard your caster components in any environment. Enhance durability, streamline maintenance, and ensure optimal function with every rotation.
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.
Ensure long-term equipment performance with the Durastar 1/2" ID x 5-1/2" OD Steel Thread Guard, a premium component designed to protect and extend the life of caster assemblies in demanding environments. Built from high-strength steel, this rugged guard provides an essential barrier against thread damage and contamination.
Engineered for versatility and precision, this thread guard features a 1/2-inch inner diameter and a 5-1/2-inch outer diameter, making it compatible with a wide range of caster wheels used in industrial, commercial, and material handling applications. Its universal fit makes it an ideal choice for maintenance professionals and OEMs alike.
By shielding axle threads and wheel bearings from dirt, debris, and corrosive elements, the Durastar thread guard plays a critical role in reducing downtime and minimizing costly repairs. Its durable steel construction resists wear and corrosion, helping to maintain equipment efficiency even under high-load conditions or in harsh environments.
Backed by Durastar's commitment to quality and industrial-grade reliability, this thread guard offers a smart solution for boosting the longevity and performance of your caster systems. Whether you're maintaining existing equipment or upgrading your setup, the Durastar thread guard delivers confidence with every rotation.
Choose the Durastar Steel Thread Guard for dependable protection that keeps your caster wheels rolling smoothly. Reduce maintenance, enhance performance, and extend your equipment’s service life—all with one simple upgrade.
$6.00
Designed for engineers, manufacturers, and material handling professionals