Specialty Casters
Gate Casters
BBQ Pit & Smoker Casters
Keyed Drive Wheels
Drywall Cart Casters
Skid Wheels & Casters for RVs
Leveling Casters
Shopping Cart Wheels & Casters
Band Equipment Casters & Wheels
Low Profile Casters
Cart Wheels & Casters
Toolbox Caster Sets
Bakery & High Temperature Casters
Kitchen Prep Table Caster Sets
Wire Shelving Casters
Silent Glide Casters
Enhance your caster performance with the Durastar Posi-Lock Brake, a reliable and easy-to-use braking solution designed specifically for 3-1/2" x 1-1/4" wheels in the Durastar 21 and 24 Series. Whether you're securing carts, fixtures, or mobile equipment, this brake offers steadfast stopping power with smooth engagement.
The side-activated Posi-Lock mechanism delivers precise locking control, ideal for high-demand environments like manufacturing, healthcare, and logistics. Crafted with durable materials, this brake is built for long-term use and delivers confidence in every application.
Compatible with a range of Durastar caster configurations, this brake ensures a tight fit and optimal locking performance. It supports both stationary positioning and enhanced safety during use, making it a valuable addition to your mobility solutions.
Choose the Durastar Posi-Lock Brake for dependable control and safety across your operations. Engineered for compatibility, ease of use, and durability—it's the smart upgrade your casters need.
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.
The Durastar Posi-Lock Brake is a precision-engineered accessory crafted to enhance safety and control for mobility solutions using 3-1/2" x 1-1/4" wheels within the Durastar 21 and 24 Series. Trusted in a wide range of industries, this brake is ideal for professionals seeking dependable wheel-locking functionality in material handling, healthcare, retail, and industrial environments.
With its intuitive Posi-Lock design, this brake offers effortless engagement and disengagement, eliminating the need for tools or complicated mechanisms. Once engaged, it firmly locks the wheel in place, minimizing the risk of rolling or equipment shifting—essential for ensuring operator safety during use, loading, maintenance, or storage.
Built with industrial-grade materials, the Durastar Posi-Lock Brake is made to endure the rigors of continuous, high-frequency use. Whether it's navigating warehouse aisles or securing medical carts, this brake delivers unmatched durability without compromising performance or ease of use.
This brake is well-suited for a broad range of applications including hospital beds, tool carts, utility racks, warehouse platforms, and mobile shelving systems. Its seamless compatibility with the Durastar 21 and 24 Series ensures consistent and reliable performance, making it a smart investment for operational efficiency and workplace safety.
Durastar is known for manufacturing high-performance mobility components that combine reliability with ease of use. The Posi-Lock Brake continues this legacy, offering a product that’s easy to install, safe to operate, and designed to meet the expectations of today’s demanding environments.
When safety, reliability, and ease of use matter, trust the Durastar Posi-Lock Brake for your caster system needs. Enhance your equipment's performance and stability with a braking solution engineered
3-1/2" diameter x 1-1/4" tread width. Verify your axle diameter and hub/bore length against your existing wheel before ordering.
Yes. Most wheels can be paired with a swivel or rigid rig to build a complete caster. Tell us your mount and load and we will spec the rig - request it on our bulk pricing page.
Rated for -20°F to 180°F. Operating outside the rated range can shorten wheel life and reduce capacity.
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).
$10.00
| Identification | |
| Brand | Durastar |
| Dimensions & Mounting | |
| Wheel Diameter | 3-1/2" |
| Wheel Tread Width | 1-1/4" |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Materials & Finish | |
| Frame Material | Zinc Plated Steel |
3-1/2" x 1-1/4" Duratek Swivel Threaded Stem Caster – 250 lb | CasterHQ
3-1/2" x 1-1/4" · 250 lbs
$13
3-1/2" x 1-1/4" Polyurethane Swivel Caster – 275 lb | 1/2-13 Threaded Stem
3-1/2" x 1-1/4" · 275 lbs
$13
3-1/2" x 1-1/4" Polyurethane Swivel Threaded Stem Caster – 300 lb | CasterHQ
3-1/2" x 1-1/4" · 300 lbs
$13
View all durastar casters →
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| — | 3-1/2" × 1-1/4" | — | — | $10.00 | Viewing | |
| 250 lbsHeavier duty | 3-1/2" × 1-1/4"Gray Rubber | Swivel | 4-3/16" | $13.00 | View → | |
| 275 lbsHeavier duty | 3-1/2" × 1-1/4"Polyurethane | Swivel | 4-5/8" | $13.00 | View → | |
| 300 lbsHeavier duty | 3-1/2" × 1-1/4"Polyurethane | Swivel | 4-5/8" | $13.00 | View → |
