Plastic Caster Sockets

We have a large selection of Caster Sockets from stock. Caster Sockets are also referred to as Caster Inserts. They are designed to typically install into a hole in mild (carbon) steel work or inside a mild (carbon) steel tube end in round, square, rectangular and oval tube to attach to a caster typically via a caster stem on the caster. We stock caster sockets that will accept a 7/16” OD (outside diameter). Friction Ring also called Grip Ring Stem that range in length from 3/4” to 1-1/2”. This stem is referred to as 7/16” FRS in our part descriptions. Other caster sockets we stock accept other caster stems include 7/16” OD X 1-7/8” long Straight Stem, 5/16” OD Grip NeckStem and female threaded opening in 1/4-20, 5/16-18, 3/8-16 and 1/2-13 thread sizes to thread a male threaded stem/stud into. For the Threaded Steel Caster Sockets please see the Steel Threaded Adaptors Section and any part with two heat-treated retaining clips should be able to be used as a caster socket. See our 1/2-13 threaded caster sockets with four retaining clips for super heavy-duty applications. Please enquire with your application to review. There are many non-stock parts that are available as well.