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Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
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.
Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: FL-800-J
The Durastar 9-3/4" Extended Height x 8-1/2" Retracted Height Floor Lock is a high-performance solution for securing mobile equipment during loading, unloading, or stationary operation. With a heavy-duty spring mechanism and rugged construction, this floor lock ensures safety and stability in demanding environments.
Featuring a standardized 4" x 4-1/2" top plate (03 Plate Size), this model easily integrates with most industrial carts, workstations, or mobile machinery. Its extended height of 9-3/4" guarantees secure ground contact, while the retracted height of 8-1/2" minimizes interference with floor surfaces during transit.
Engineered for longevity and ease of use, the Durastar floor lock is ideal for warehouses, manufacturing floors, medical equipment carts, and commercial environments where control and stability are critical. This floor lock promotes workplace safety and supports equipment longevity by reducing unnecessary movement and wear.
Choose the Durastar Floor Lock for dependable performance, easy installation, and enhanced safety across your facility. Invest in stability you can trust—engineered to support your operations day in and day out.
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.
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.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
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.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
Engineered for performance and durability, the Durastar 9-3/4" Extended Height x 8-1/2" Retracted Height Floor Lock is a dependable solution for stabilizing mobile equipment in both industrial and commercial environments. Featuring a universal 4" x 4-1/2" top plate (03 Plate Size), this model ensures compatibility with standard mounting patterns and caster setups, making installation simple and effective.
This floor lock is ideal for equipment that requires secure placement during use, such as workstations, tool carts, warehouse dollies, and mobile medical platforms. Its 9-3/4" extended height ensures reliable ground contact, while the 8-1/2" retracted height maintains clearance for smooth transport when disengaged. The internal spring mechanism helps absorb floor variations while maintaining firm pressure, supporting enhanced control and reduced equipment movement.
Built from high-strength materials and finished with corrosion-resistant components, the Durastar floor lock is made to withstand rigorous daily use in high-traffic environments. Its robust design prevents unwanted rolling, protecting both your equipment and the work area. Whether operating in cleanroom settings, distribution centers, or manufacturing facilities, this floor lock delivers consistent results under pressure.
Backed by industry-trusted engineering and built to last, this Durastar model supports workplace efficiency and safety with minimal maintenance. Its thoughtful construction and user-focused features make it a reliable choice for professionals seeking long-term value and performance in material handling solutions.
For facilities that demand stability, safety, and lasting performance, the Durastar Floor Lock offers the ideal combination of quality craftsmanship and universal compatibility. Upgrade your mobility equipment with a locking solution you can count on.
$56.00
Designed for engineers, manufacturers, and material handling professionals