50mm swivel castor with grey thermoplastic rubber on polypropylene centre wheel
- Swivel castor with bolt hole bracket made of zinc plated steel with double row ball race in swivel head.
- Wheel with grey thermoplastic rubber on polypropylene centre.
- The hardness of the tread is 85° Shore A.
- Bolted wheel axle.
- Reasonable rolling resistance and low operating noise. Very good floor preservation, non-marking, but thermoplastic rubber contains traces of oil and may make stains on absorbent floors.
Good chemical resistance to many substances.