HOLKIE Stem Caster Wheels - 4 In Swivel Casters, 7/16 Inch Stem, Heavy-Duty TPR Rubber (Set of 4)

Meet the HOLKIE Stem Caster Wheels

Mobility meets durability with this 4 inch caster set from HOLKIE. Crafted to support heavier loads while keeping floors pristine, these swivel casters blend steel strength with a soft, floor-friendly tread. When you install them on carts, workstations, or storage trolleys, you gain confident maneuverability and steady, quiet operation from room to room or job site to job site. The set of four delivers a total load capacity up to 820 lbs, making them a practical upgrade for gear that travels between spaces.

Key benefits

• High load capacity up to 820 lbs for the full set
• Quiet movement and floor protection from TPR rubber tread
• 360 degree swivel head for nimble steering
• Easy, tool-free installation with 7/16-inch stem and upgraded sleeves
• Rugged steel housing designed to endure demanding use

Design and construction

The stem is 7/16-inch in diameter with a 1-3/8-inch grip ring length, paired with upgraded plastic insert sleeves for a snug fit. The soft yet resilient TPR rubber tread cushions every move and helps minimize marks on most floor surfaces. A smooth ball bearing swivel supports fluid direction changes, while the robust core provides reliable, steady support under load.

Technical specs

• Wheel diameter: 4 inches
• Stem diameter: 7/16 inch; stem length: 1-3/8 inch
• Sleeve outer diameter: 19/32 inch
• Load capacity: up to 820 lbs (set of 4)
• Material: steel housing with TPR rubber tread
• Rotation: 360 swivel for easy direction changes

Ideal uses and scenarios

• Replacement wheels for carts, mop buckets, vacuum cleaners, workbenches, and trash bins
• Upgrades for stools, grills, shop vacs, and other mobile fixtures
• Situations requiring smooth rolling, quiet operation, and floor protection

Installation tips and compatibility

Please measure the diameter of your tube legs before ordering to ensure a proper fit. Do not use these casters for office chairs. Install by hand or with a light tap of a hammer, using the grip ring stem and sleeves for a secure connection.

With a balance of rugged construction and smooth rolling, the HOLKIE caster set offers a practical mobility upgrade for everyday tasks. Use them to improve maneuverability, reduce floor wear, and keep workloads moving with greater confidence.