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Durastar 5-7/8" Extended Height x 4-5/8" Retracted Height Floor Lock

Volume discounts applied at checkout
  • 50-99 units: 5% Off
  • 100-199 units: 10% Off
  • 200+ units: 15% Off
Status: In Stock
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Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: FL-400-J

Product Overview

Durastar Floor Lock | 5-7/8" Extended Height x 4-5/8" Retracted Height | 4" x 4-1/2" Top Plate (03)


Key Product Features

  • Adjustable Height: 5-7/8" when extended and 4-5/8" when retracted for versatile compatibility
  • Top Plate Size: 4" x 4-1/2" industry-standard 03 plate for easy mounting and secure fit
  • Reliable Floor Locking: Provides a stable braking solution for carts, platforms, and mobile equipment
  • Durable Construction: Built from high-strength materials to withstand industrial use
  • Operator Safety: Reduces unintentional cart movement and enhances workplace control

Extended Product Description

Ensure maximum stability and safety with the Durastar Floor Lock, designed for carts and equipment using 5" to 6" casters. This floor lock features a height range of 5-7/8" extended to 4-5/8" retracted, delivering firm contact with the floor surface to prevent unwanted rolling or shifting during use.

Equipped with a standard 4" x 4-1/2" (03) top plate, installation is quick and compatible with a wide range of industrial and commercial equipment. The rugged construction ensures long-term performance, even in high-traffic or heavy-load environments.

Ideal for warehouse carts, mobile platforms, workstations, and other rolling equipment, this floor lock improves operational safety and supports compliance with workplace safety standards. It provides peace of mind during loading, unloading, or stationary work tasks.

Secure Your Mobility Equipment Today

Upgrade your rolling carts or platforms with the Durastar 5-7/8" x 4-5/8" Floor Lock. With industry-standard compatibility and heavy-duty reliability, it’s the smart choice for dependable equipment stabilization.

Technical Specs

Technical Specifications

  • Top Plate Style: 03 Plate - Industry-standard configuration for caster compatibility
  • Top Plate Dimensions: 4" x 4-1/2" - Fits a wide range of mounting applications
  • Bolt Hole Pattern: Accommodates 2-5/8" x 3-5/8" to 3" x 3" bolt spacing for flexible installation
  • Attaching Bolt Diameter: 3/8" - Secure fit for industrial-strength fastening
  • Extended Height: 5-7/8" - Ensures strong floor contact when fully engaged
  • Retracted Height: 4-5/8" - Allows equipment to roll freely when disengaged
Key Features

Top 10 Product Features

  • Extended Height: Reaches up to 5-7/8" when deployed, perfect for carts with 5" to 6" casters.
  • Retracted Height: Rests at 4-5/8" for compact fit and ease of movement when not in use.
  • Standard Top Plate: Equipped with a 4" x 4-1/2" (03) top plate for easy and universal mounting.
  • Industrial-Grade Durability: Constructed with heavy-duty materials to withstand tough environments.
  • Secure Floor Locking: Prevents unwanted movement of mobile equipment during loading or operation.
  • Enhanced Workplace Safety: Helps meet safety standards by stabilizing workstations and carts in place.
  • Versatile Compatibility: Designed for use with a wide range of carts, platforms, and workbenches.
  • Quick Installation: Compatible with standard mounting patterns for fast and efficient setup.
  • Low Maintenance: Built for consistent performance with minimal upkeep in industrial settings.
  • Trusted Brand: Manufactured by Durastar, a name recognized for reliability in caster and mobility solutions.
Ordering & Shipping Information

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.

  • Flat-rate shipping by order size. Final shipping cost shown before payment.
  • No post-checkout shipping adjustments or re-billing.
  • Most orders ship from our Texas headquarters near Dallas.

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.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

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.

Need an exact freight quote for a large order?

Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.

Additional Information

Durastar Floor Lock | 5-7/8" Extended Height x 4-5/8" Retracted Height | 4" x 4-1/2" Top Plate


Product Overview

The Durastar Floor Lock is a reliable, heavy-duty solution designed to enhance stability and control for carts and mobile equipment using 5" to 6" casters. Its dual height design — 5-7/8" extended and 4-5/8" retracted — ensures a precise fit for a broad range of industrial and commercial applications.

Universal Compatibility & Easy Installation

Outfitted with a standard 4" x 4-1/2" (03) top plate, this floor lock is engineered for compatibility with a wide array of equipment frames. The mounting pattern is ideal for seamless installation across most industrial carts, workstations, or platforms without the need for custom fitting.

Stability, Performance & Workplace Safety

This floor lock provides a firm grip on the floor when engaged, effectively preventing unintentional rolling and enhancing safety during stationary tasks. Whether you're working in a warehouse, production line, or medical facility, the Durastar Floor Lock delivers reliable stopping power where it matters most.

Its robust construction ensures performance under heavy loads and daily wear, supporting long-term use in demanding environments. The retractable design also protects the locking mechanism when disengaged, helping extend product lifespan and reduce maintenance needs.

Ideal Applications

The Durastar Floor Lock is well-suited for use on:

  • Warehouse carts and dollies
  • Mobile workbenches and platforms
  • Tool carts and maintenance stations
  • Assembly line equipment
  • Medical and laboratory mobile units

Upgrade with Confidence

Backed by the trusted Durastar name, this floor lock combines engineering precision with industrial-grade durability. If you’re looking to enhance mobility safety, streamline equipment usage, and support ergonomic efficiency, this locking solution is the smart addition to your cart system.

Durastar 5-7/8
Durastar 5-7/8" Extended Height x 4-5/8" Retracted Height Floor Lock

$46.00

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