Injection polyurethane tread; hardness 60 Shore D. Polyammide 6 centre.
Plain bearing bore
The plain bearing bore results from a hole in the material forming the centre of the wheel and contains the axle.
Axle composed of ground steel bush with bolt according to UNI EN 24017 and nut according to UNI EN 24032.
Scaffolding bracket with threaded stem
Swivel top plate bracket for mobile scaffoldings. The plate, the ball rice ring and the fork are made of pressed steel zinc plated finish. In brackets for wheels diameter 150, the swivel actions are made of a grease-lubricated double ball raceways. In brackets for wheels diameter 200, the swivel actions are made of a single direction axial bearing and a grease-lubricated single ball raceway. The king pin is made of stem with acme thread manufactured steel from tube, nut locked by mechanical deformation.