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The Durastar 4 Position Swivel Lock is a reliable motion control solution built for demanding applications that require precise caster alignment. Specially designed to fit the 4" x 4-1/2" 03 top plate in the S30 Series, this heavy-duty accessory offers unmatched functionality in industrial and commercial settings.
Featuring four secure locking positions spaced at 90-degree intervals, this swivel lock ensures consistent directional control for carts, racks, and material handling systems. Its robust construction withstands constant use and harsh environments, making it ideal for warehouses, factories, distribution centers, and maintenance operations.
Easy to install and even easier to operate, the Durastar swivel lock improves workplace safety, efficiency, and equipment control. Whether you're upgrading existing casters or enhancing new builds, this component delivers the durability and performance expected from the Durastar name.
Enhance your equipment’s mobility and stability by adding the Durastar 4 Position Swivel Lock to your S30 Series casters. Experience reliable locking performance in every direction—engineered for safety and built to last.
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.
Take control of your caster movement and stability with the Durastar 4 Position Swivel Lock, engineered specifically for the 4" x 4-1/2" 03 top plate in the S30 Series. This accessory is ideal for industrial and commercial users who demand reliable, secure, and consistent directional control for heavy-duty equipment.
This high-performance swivel lock features a four-position locking mechanism that allows users to fix caster orientation at 90-degree intervals. Whether you're navigating tight warehouse aisles or securing mobile equipment on uneven terrain, this lock delivers precise directional control while significantly enhancing overall safety.
Its rugged design is built for harsh environments, making it a dependable solution in facilities where carts, racks, and rolling equipment are frequently maneuvered. The heavy-duty build and corrosion-resistant finish ensure long-lasting performance indoors and out.
Backed by the reputation of Durastar's engineering excellence, this swivel lock is trusted by industry professionals for its durability, easy operation, and seamless compatibility with S30 Series casters. It's designed to reduce operator strain, improve load control, and enhance equipment efficiency—a true asset for high-demand material handling operations.
Upgrade your caster system with the Durastar 4 Position Swivel Lock and gain superior command over mobility and safety. Designed for performance, built for durability—this is the locking solution your operation deserves.
This caster uses a top-plate mount with a 4" x 4-1/2" plate and a 2-5/8" x 3-3/8" slotted to 3" x 3" bolt pattern. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
This is a Swivel caster. Swivel casters rotate 360 degrees for full maneuverability. For most mobile equipment we recommend 2 swivel + 2 rigid, or 4 swivel with at least 2 brakes.
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).
$19.00
| Identification | |
| Brand | Durastar |
| Dimensions & Mounting | |
| Wheel Diameter | 4" |
| Wheel Tread Width | 4-1/2" |
| Plate Size | 4" x 4-1/2" |
| Bolt Hole Pattern | 2-5/8" x 3-3/8" slotted to 3" x 3" |
| Mount Style | Plate |
| Rig Type | Swivel |
| Load & Performance | |
| Temp Range | -20°F to 180°F |
| Brake Type | No Brake |
| Materials & Finish | |
| Frame Material | Zinc Plated Steel |
4" x 1-1/4" Polyurethane Swivel Caster – 300 lb | 3-1/8" x 4-1/8" Plate | CasterHQ
4" x 1-1/4" · 300 lbs
$19
4" x 1.25" TPR Swivel Caster – 300 lb | 2-3/8" x 3-5/8" Plate | CasterHQ
4" x 1-1/4" · 300 lbs
$16
View all plate 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 | |
|---|---|---|---|---|---|---|
| — | 4" × 4-1/2" | Swivel | — | $19.00 | Viewing | |
| 300 lbsHeavier duty | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $19.00 | View → | |
| 300 lbsHeavier duty | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $19.00 | View → | |
| 300 lbsHeavier duty | 4" × 1-1/4"Gray Rubber | Swivel | 5-1/8" | $16.00 | View → | |
| 325 lbsHeavier duty | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $18.00 | View → |
