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Durastar 6-3/4" Extended Height x 5-1/2" 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
Shipping Truck

Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: FL-500-J

Product Overview

Durastar Floor Lock | 6-3/4" Extended Height x 5-1/2" Retracted Height with 4" x 4-1/2" Top Plate


Key Product Features

  • Extended Height: Reaches up to 6-3/4" for secure, stable floor engagement
  • Retracted Height: Lowers to 5-1/2" to clear surfaces during transit
  • Top Plate Dimensions: Industry-standard 4" x 4-1/2" (03 plate size) for easy compatibility
  • Heavy-Duty Design: Built to withstand repeated use in industrial and commercial settings
  • Non-Slip Footpad: Ensures maximum friction and secure positioning on various floor types

Extended Product Description

Ensure stability and safety for your mobile equipment with the Durastar 6-3/4" Extended Height Floor Lock. Designed for carts, platform trucks, and heavy-duty rolling equipment, this floor lock offers reliable braking by engaging securely with the floor surface when activated.

This model features a 5-1/2" retracted height, making it ideal for equipment with similar caster heights. Its 4" x 4-1/2" top plate ensures compatibility with most standard caster mounting patterns. Engineered from durable materials, this floor lock resists wear, deformation, and harsh environmental conditions common in warehouses and manufacturing environments.

The non-slip rubber footpad adds a layer of safety, delivering steady, non-marring contact on concrete, tile, or epoxy-coated floors. Whether you're stabilizing equipment during loading or ensuring operator safety, the Durastar floor lock delivers dependable performance every time.

Secure Your Equipment with Confidence

Choose the Durastar Floor Lock for enhanced stability, easy operation, and long-lasting durability. A dependable solution for keeping your operations safe and efficient—engineered for performance you can trust.

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: 6-3/4" - Ensures strong floor contact when fully engaged
  • Retracted Height: 5-1/2" - Allows equipment to roll freely when disengaged
Key Features

Top 10 Product Features

  1. Extended Height of 6-3/4": Provides reliable floor contact for securing carts during stationary use.
  2. Retracted Height of 5-1/2": Ensures clearance while equipment is in motion, minimizing drag and wear.
  3. Standard 4" x 4-1/2" Top Plate: Compatible with common mounting patterns for quick and easy installation.
  4. Heavy-Duty Steel Construction: Built to perform under tough industrial and commercial conditions.
  5. Non-Slip Rubber Footpad: Enhances grip and stability while protecting floors from damage.
  6. Shock-Absorbing Design: Minimizes vibrations and jolts when locking or unlocking the mechanism.
  7. Ideal for Carts and Platform Trucks: Designed for a variety of mobile equipment across multiple industries.
  8. Durable Finish: Resists rust, corrosion, and everyday wear in demanding environments.
  9. Operator Safety Focused: Helps prevent unintended movement during loading, unloading, or idle periods.
  10. Engineered for Longevity: Backed by Durastar’s commitment to quality and long-term performance.
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

Extended Product Information

Experience dependable equipment stabilization with the Durastar 6-3/4" Extended Height x 5-1/2" Retracted Height Floor Lock, engineered for performance, safety, and compatibility. Built for use in a variety of commercial and industrial environments, this floor lock offers a practical solution to prevent unwanted movement of carts, dollies, and platform trucks when stationary.

The extended height of 6-3/4 inches ensures strong contact with floor surfaces, while the 5-1/2 inch retracted height provides sufficient clearance during movement, reducing the risk of drag and wear. With its standard 4" x 4-1/2" top plate (03 plate size), this model seamlessly integrates with most caster mounting patterns, allowing for straightforward installation across a wide range of equipment.

Constructed from heavy-duty materials, the Durastar floor lock stands up to harsh conditions in warehouses, factories, distribution centers, and other high-traffic areas. Its non-slip rubber footpad not only delivers enhanced grip but also protects delicate floor finishes from scuffs or damage.

Designed with user safety in mind, this floor lock helps secure rolling equipment during loading, unloading, or idle periods, minimizing the risk of accidental movement and improving workplace safety standards. Its shock-absorbing performance adds another layer of durability and ease of use, ensuring smooth engagement with every operation.

Whether you're retrofitting an existing fleet of carts or building custom mobile solutions, the Durastar floor lock offers a versatile, rugged, and long-lasting option that aligns with industry demands. Backed by a reputation for quality, Durastar continues to be a trusted name in mobility hardware and industrial caster components.

Upgrade Your Equipment Stability with Durastar

Choose the Durastar floor lock for premium stabilization, unmatched durability, and seamless integration. Enhance your operational safety and equipment reliability today.

Durastar 6-3/4
Durastar 6-3/4" Extended Height x 5-1/2" Retracted Height Floor Lock

$50.00

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