12 Series PU Screw Movable Caster Wheels 

Wheel material: Polyurethane (PU) tread + plastic wheel core, PU Screw Movable Casters Wheels with wear resistance, chemical resistance, high strength, high elasticity, low pressure resistance, shock absorption, tear resistance, radiation resistance, high load bearing and Good performance such as shock absorption buffer. Suitable for medical industry, Caster Wheels Kegerator, electrical equipment industry, trolley industry, furniture industry, toolbox, etc. Tread hardness: 90 (±5) Shore A Temperature range: - 40 / + 80 °C" Wheel diameter: 2"-5" Caster Wheels New Zealand Load: 27-60kg Screw rod casters, pressed wheel frame, galvanized, ball bearing Wheel Material: PU caster with PP core Housing made of pressed steel, Zinc plating Housing: Swivel threaded stem caster