We carry many types of caster stems.
- Socket type - 5/16" dia x 1-1/2" L, to go into a plastic or metal caster socket.
drill a hole in wood > insert plastic or metal caster socket > insert caster

- Threaded type - 1/4" - 20, 5/16" - 18, 3/8" - 16 or 1/2" x 13 threads.

- Plate type - many plate sizes to choose from.

- Grip ring type - diameter of 3/8", 7/16" or 10mm to choose from.
Usually go into chair base or existing hole.

- U type - 5/8", 3/4" or 1" opening for use with vertical wood like microwave oven stand or computer workstation.
