Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
View All Specialty Casters
Browse all specialty caster types
All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
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.
Ensure your mobile equipment stays exactly where it needs to be with the Durastar 9-5/8" Floor Lock. Engineered for dependability, this floor lock features an extended height of 9-5/8" and a retracted height of 8-5/8", offering dependable locking action without damaging floor surfaces. It’s the perfect solution for stabilizing carts, racks, and equipment that require temporary but firm positioning.
The durable 4" x 4-1/2" top plate (03 size) delivers secure installation and is compatible with most standard caster mounting patterns, making it a convenient upgrade or replacement part for various industrial and commercial applications. Whether you're working in a warehouse, manufacturing plant, or retail setting, this floor lock offers a robust way to prevent unwanted rolling and increase workplace safety.
Backed by Durastar’s reputation for precision engineering and reliability, this floor lock is a must-have for any operation that relies on mobile platforms or wheeled equipment. Its heavy-duty construction is built to last, even under frequent use and high-load conditions.
Upgrade to the Durastar Extended Height Floor Lock and improve operational safety, stability, and control. Engineered for reliability, it’s the professional choice for securing your mobile equipment on demand.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
Enhance the stability of your mobile equipment with the Durastar Floor Lock, expertly engineered for industrial, warehouse, and commercial environments. With a dependable extended height of 9-5/8" and a retracted height of 8-5/8", this floor lock provides a secure hold when engaged and unobstructed mobility when retracted. Whether you're stabilizing carts, dollies, or mobile workstations, this component delivers consistent performance and peace of mind.
The floor lock is mounted using a standardized 4" x 4-1/2" (03 size) top plate, ensuring seamless integration with most heavy-duty caster setups. This compatibility makes installation fast and easy across a wide variety of equipment platforms. Crafted from high-strength materials, this floor lock is designed to endure the demands of frequent use, high weight loads, and uneven flooring surfaces—without sacrificing performance or safety.
One of the standout benefits of the Durastar floor lock is its ability to offer quick and effective stabilization without the use of brakes or complicated mechanisms. Its foot-operated design allows for easy engagement and retraction, helping operators reduce strain while improving workflow efficiency. With a low-maintenance construction and high-torque resilience, it’s built to perform reliably over the long haul.
This floor lock is ideal for professionals seeking a rugged and reliable way to immobilize mobile platforms. Whether in a manufacturing plant, packaging facility, or equipment repair bay, the Durastar floor lock serves as a practical, safety-enhancing solution that delivers under pressure. When not in use, it retracts smoothly to avoid floor damage and maintain a low profile.
Durastar is known for producing high-quality, industrial-grade mobility components trusted by professionals across industries. Their commitment to engineering precision, safety, and reliability is evident in every product—and this floor lock is no exception. Backed by experience and performance, Durastar floor locks help ensure that your equipment stays securely in place, exactly when you need it.
This caster uses a top-plate mount with a 4" x 4-1/2" plate and a 2-5/8" x 3-5/8" bolt pattern. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
Rated for -20°F to 180°F. Operating outside the rated range can reduce wheel life and load capacity, so match it to your environment (wash-down, freezer, oven-adjacent, etc.).
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$53.00
| Identification | |
| Brand | Durastar |
| Dimensions & Mounting | |
| Plate Size | 4" x 4-1/2" |
| Bolt Hole Pattern | 2-5/8" x 3-5/8" |
| Mount Style | Plate |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Frame Material | Zinc Plated Steel |
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