Industrial casters mainly refer to a kind of casters used in factories or mechanical equipment. You can choose a single wheel made of advanced imported reinforced nylon (PA6), super polyurethane and rubber. The whole product has high impact resistance and strength. The metal part of the bracket is made of high-quality steel plate, galvanized or chrome plated, and the precision ball bearing is installed in the bracket by injection molding. Users can choose 3 mm, 4 mm, 5 mm and 6 mm steel plates as caster brackets.