https://bandcip.com/swl-2-sr-3-8-16-x-1-1-2-threaded-stem-side-brake/
2" X 13/16" Threaded Stem Caster, (SR) Soft Rubber Wheel, 3/8"-16 X 1-1/2"...
threaded stem casterquot xsr
https://bandcip.com/product-category/casters/by-type/stem-mount/
Premium Stem Mount Caster Wheels | Threaded, Durable & Smooth
Shop premium stem mount Caster Wheels, including threaded stem casters and mounts. Built for durability and smooth mobility in industrial and commercial use.
stem mountcaster wheelsamp
https://bandcip.com/medium-duty-stem-caster-3-5-inch-polypro-face-contact-brake/
Threaded Stem Caster | 3.5" × 1.25" Red Poly‑Pro Wheel | Face Contact Brake
threaded stem casterquot