The threaded stem caster wheels are designed for replacing old and broken wheels on desks, storage racks, chairs, lockers, shoe racks, bookshelves, and other furniture. Widely used in homes, offices, libraries, bars, shops, etc.

Specification
Color: Black
Material: Carbon Steel, PU
Thread Size: M8*25mm
Load Capacity: 30kg / 66 LBS
Wheel Size: 40 x 20mm / 1.57 x 0.79 inch (Dia*W)
Height: 60mm / 2.36 inch
Packing List: 4 x Threaded stem casters without brake

Advantage
The casters wheel is made of carbon steel and pu material, which is strong in pressure resistance, not easy to rust, wear-resistant and durable, does not hurt the floor, is not easy to fade, and is strong in corrosion resistance, shock absorption performance.
Built-in balls, 360-degree flexible rotation, smooth and quiet.

Instruction
Threaded design for easy installation on your furniture and can be used to replace old casters. Suitable for smooth tile floors and rough cement floors.

Note:
1. Please note that the load capacity of 4 wheels can only be calculated as the load capacity of 3 wheels. Because the road surface is uneven, the force on the 4 wheels may be uneven.
2. Please measure the size of the shelf bolt-hole before your purchase.