When transport efficiency and safety matter, a reliable floor lock is essential for carts, trolleys, and mobile equipment. This guide highlights five top floor locks designed to stabilize heavy loads, prevent unwanted movement, and withstand demanding environments. Each option features durable manganese steel, TPU cushions for grip, and multiple mounting holes for secure installation. Read on to compare construction, load capacity, and installation details to choose the right lock for your setup.
| Product | Brand | Load Capacity | Casters | Key Feature |
|---|---|---|---|---|
| Floor Lock, Adjustable Height X-75-32-3 (4–5 in Casters) | Yuecoom | 100 kg / 220 lbs | 4–5 inch | TPU pad; four mounting holes |
| Floor Lock, 220Lbs Adjustable (4in–4in Casters) | JUSTHERE | 220 lbs | 3–4 inch | Anti-slip TPU washer |
| Floor Lock, X-75-32-3 (2-Pack) | Yuecoom | 100 kg / 220 lbs each | 4 inch | Durable dual-pack; four mounting holes |
| Floor Locks Brake 4″–8″ | Hy-weld | Varies by size | 4–8 inch | Spring-loaded lock; non-slip foot |
| Floor Lock Adjustable 3in | YIHAOSSING | 100 kg / 220 lbs | 3 inch | Compact 3-in design; TPU grip |
Floor Lock Yuecoom X-75-32-3 for 4–5in Casters

The Yuecoom X-75-32-3 floor lock uses manganese steel with high hardness to support up to 100 kg (220 lbs) per unit, suitable for heavy-duty trolleys. It includes a TPU washer to improve wear resistance and grip, providing stable locking and smoother unlocking. Four fixing holes enable secure mounting, creating a durable, reliable lock for various carts and equipment. The ergonomic design reduces operator effort during engagement and release, enhancing daily workflow in warehouses and shops.
JUSTHERE Floor Lock, 220Lbs for 3–4in Casters

JUSTHERE’s floor lock offers a high load-bearing capacity with manganese steel construction, supporting up to 220 pounds. The anti-slip TPU washer enhances grip for stable locking and safer unlocking, which helps when maneuvering overweight carts. With four fixing holes, the lock installs securely to create a stable base for various handcarts, beds, sofas with wheels, or other wheeled equipment. This model emphasizes durable, long-term performance in busy environments.
Yuecoom Floor Lock X-75-32-3 (2-Pack)

This is a dual-pack offering from Yuecoom, featuring the same high-hardness manganese steel construction capable of 100 kg per lock. The pack includes two floor locks, each with TPU washers for wear resistance and skid resistance, promoting uniform locking and smooth unlocking. Four fixing holes enable quick, secure mounting on carts and trolleys, ensuring dependable restraint in warehouse or workshop settings.
JUSTHERE Floor Lock 220Lbs for 4–5in Casters

This JUSTHERE variant emphasizes heavy-duty support with 220 lbs capacity, built from manganese steel for lasting strength. The anti-slip TPU washer improves grip and durability, ensuring stable locking over time. Four fixing holes simplify mounting to carts, beds, or sofas with wheels. It is designed for environments where carts frequently travel and must resist unintended movement during operation or storage.
Hy-weld Floor Locks (4″–8″ Casters)

Hy-weld offers a versatile line of floor locks compatible with 4″, 5″, 6″, and 8″ casters. These locks provide stabilization to prevent unintended movement of mobile equipment, carts, and trucks. A spring-loaded lock mechanism ensures secure immobilization, aligning with applications requiring reliable restraint in manufacturing floors, fleets, and workshops. The stacked size range allows matching to different cart dimensions and workloads.
Thincol Floor Lock, 4–5in Caster

Thincol’s floor lock features manganese steel construction with a 100 kg load rating, making it suitable for heavy-duty carts. The unit is designed for compatibility with 4–5 inch casters, promoting full control of your trolley or cart. Four mounting holes provide stable, secure installation, and the compact form factor supports easy storage and straightforward operation in constrained spaces.
Buying Guide: Key Purchase Considerations
- Load capacity: Choose a lock that matches or exceeds the weight of your carts or trolleys. Common ranges are 100 kg (220 lbs) and 220 lbs per unit; for heavier fleets, consider multiple units combined.
- Caster compatibility: Confirm caster size and the lock’s mounting footprint. Most options cover 3–5 inch or 4–8 inch casters; some offer adjustable height.
- Material and durability: Manganese steel is a common choice for its hardness and longevity. TPU washers improve grip, reduce wear, and enable smoother operation.
- Mounting options: Four fixing holes are standard for secure installation. Check the mounting surface and hardware compatibility with your equipment.
- Operation and safety: Look for spring-loaded locks and ergonomic unlocking forces. Anti-slip features and robust construction reduce the risk of accidental releases.
- Maintenance: Consider ease of cleaning, corrosion resistance, and how easily parts can be replaced or serviced in your facility.
- Cost versus coverage: If you manage a fleet of carts with varying sizes, a mix of 3in and 4–5in locks or a multi-pack may provide the best value and flexibility.
When selecting floor locks for carts, align product specifications with your typical load, cart size, and work environment. The options above emphasize durability, reliable grip, and straightforward mounting to support safe, efficient operations across warehouses, workshops, and retail settings.