These wheels are made of a polypropylene compound that is an excellent, multi-application performer. These wheels exhibit superior resistance to abrasion, compression set, acids, oils, grease and impact. They provide easy rolling and good floor protection. Tread hardness: 75 to 85 Shore D.
Corrosion-resistant zinc plating
Self-lubricating wheel bearings
Top Plate Dimensions
Overall Size: 3-1/8" x 4-1/8"
Hole Spacing: 1-3/4" x 3" to 2-3/8" x 3-3/8"
Hole Size: 3/8" x 3/4" slots
Bolt Dia.: 5/16"
Applications include medium-duty industrial, office and retail carts, dollies, stands, hampers, cabinets, racks and other mobile equipment