Service Caster #20 Series swivel casters with posi lock brake, 10mm threaded stem, 4 inch polyurethane wheel are a versatile caster choice. Featuring a zinc plated finish, these casters are ideal for light and medium duty material handling, carts, equipment, and shop projects. Foot activated posi lock brake secures wheel and prevents movement.

Wheels roll smoothly with integrated ball bearing design. The polyurethane wheel performs well on most surfaces, and excels on hard surfaces like concrete, tile, and wood. They will not mark or mar floor surfaces.

Wheel dimension: 4" x 1-1/4"
Threaded stem: 10mm dia. 1.75mm x 2-1/2" long. Includes nut and lock washer.
Mounting height: 5-1/8"
Attachment: Screw in or use nut to secure
350 pound capacity per caster
Wheel tread hardness: Durometer Shore 55D (+/- 5)

Please ensure that you have measured the stem size correctly. If you are uncertain about the measurements, visit our "How to Measure Caster Stems" page or call 1-800-215-8220 for assistance.