Service Caster #20 Series swivel casters with 3-1/2 inch thermoplastic rubber tread wheel and posi lock brake. Featuring a bright zinc plated finish, these casters are ideal for light and medium duty material handling, carts, equipment, and shop projects.
Wheels roll smoothly with integrated ball bearing design. The thermoplastic rubber wheel performs well on most surfaces. They will not mark or mar floor surfaces.
Wheel Size: 3-1/2" x 1-1/4"
Top plate size: 2-1/2" x 3-5/8" with ball bearing swivel
Bolt hole pattern: 1-3/4" x 2-7/8" to 3"
Bolt size: 5/16" (hardware not included)
Mounting Height: 4-5/8"
250 pound capacity per caster
Wheel tread hardness: Durometer 70 Shore A (+/- 5)