Threaded stem casters are a popular choice for chairs, toolboxes, carts, material handling equipment and other wheeled objects. Casters are often categorized according to the way in which they are mounted. Threaded stem casters are mounted via a bolt-like stem with external threading. For a better understanding of threaded stem casters and how they differ from other types of casters, keep reading.
Overview of Threaded Stem Casters
Threaded stem casters are mountable wheels enclosed in a housing frame with a threaded rod or stem on top. They are available in different materials and sizes. All threaded stem casters, however, have a stem with which they are mounted. You can mount them to the bottom of the object by twisting the stem into a threaded hole.
Key Features of Threaded Stem Casters
Threaded stem casters feature a wheel. Common wheel materials include rubber, polyurethane (PU), nylon and various metals and alloys. Synthetic materials like rubber, PU and nylon typically provide better shock absorption, whereas metals and alloys are more durable.
In addition to a wheel, threaded stem casters feature a housing frame. The housing frame contains and holds the wheel. Even if the wheel itself is made of a synthetic material, the housing frame will likely be made of metal or alloy for maximum durability and longevity.
The defining characteristic of threaded stem casters is the stem with which they are mounted. At the top of the housing frame is a stem with external threading. To install a threaded stem caster, you’ll need to twist this stem into a threaded hole on the bottom of the object.
How Threaded Stem Casters Differ From Other Types of Casters
Not all casters are mounted with a stem. Some of them are mounted with a plate. Known as plate casters, they feature a square- or rectangular-shaped flat plate at the top of the housing frame.
There are also spring ring casters that, as the name suggests, feature a spring. The spring applies pressure to a rod. But unlike with threaded stem casters, this rod isn’t threaded. Instead, spring ring casters are mounted simply by pushing them into a hole.
In Conclusion
Threaded stem casters are reliable, durable and easy to install. They support a wide variety of applications — from home furniture to industrial tools. Just remember to choose the right threaded stem casters for the object or objects on which you intend to mount them.