The LD-428 threaded stem caster wheel series offers a versatile and reliable solution for a wide range of mobility applications where screw-in installation is preferred. Each caster features a precision-machined steel threaded stem available in standard metric sizes M8, M10, M12, M14, and M16, ensuring compatibility with countless equipment designs and furniture configurations. The stem is securely welded to the swivel housing, creating a strong, permanent connection that can withstand both vertical loads and lateral forces without loosening or failing. The swivel mechanism incorporates a double ball race design with hardened steel balls running in precision-stamped raceways, delivering smooth, low-friction 360-degree rotation that enables easy maneuvering in tight spaces. The zinc-plated steel bracket provides excellent corrosion resistance and structural rigidity, making these casters suitable for use in warehouses, workshops, retail environments, and medical facilities. The bracket is formed from heavy-gauge steel with reinforced legs for added strength and durability under dynamic loading conditions. Wheel material options include polyurethane (PU), nylon, and rubber, each selected for specific performance characteristics. PU wheels offer the best combination of floor protection, quiet operation, and load capacity, making them the most popular choice for general-purpose use. Nylon wheels provide maximum durability and chemical resistance for industrial applications, while rubber wheels excel at shock absorption and noise reduction for sensitive environments. All wheel options are fitted with precision ball bearings in the wheel bore to minimize rolling resistance and extend service life. With wheel diameters from 50mm to 125mm and load capacities from 30kg to 250kg per caster, the LD-428 series provides a threaded stem solution for nearly any light to medium-duty mobility requirement. Installation of threaded stem casters is straightforward and requires only a matching threaded insert or tapped hole in the equipment leg. The screw-in design ensures a secure, rattle-free connection that won’t loosen during use, unlike some push-in stem designs. The optional brake mechanism, available on swivel models, locks both the wheel rotation and swivel action simultaneously, providing reliable positioning control when needed. Whether used on wire shelving units, medical carts, display stands, or industrial equipment, the LD-428 threaded stem caster series delivers dependable performance with the convenience of screw-in installation and the flexibility of multiple wheel material options.