12 Series PVC Screw Movable Casters 

PVC Screw Movable Casters Wheel material: PVC tread + PP wheel center, PVC wheel has high mechanical strength and good corrosion resistance, electrical insulation is better. Suitable for electrical equipment industry, trolley industry, tool carts, etc. Please see the Caster Wheel Assembly below. Applicable temperature range: - 40 / + 80 °C Caster Wheel Only Wheel Dia: 2"-5" Load capacity: 27-60kg Screw rod casters, pressed round frame, galvanized, plain bearing. Wheel Material: polyvinyl chloride with PP core Housing made of stainless steel, Zinc plating. Housing: Swivel threaded stem caster.