Best selling PVC threaded stem casters with brakes
 
	Housing: 
	Solid steel welded construction, 
	zinc plated double ballrace swivel head, 
	dustproof seal heat treated ballrace, 
	hardened steel balls 
	  
	Wheel: 
	Materials:PP core + PVC 
	Bearing type:ball bearing 
	 
	 
	
	
 
	
	
	Feature: 
	- 
		PP vs PVC coating caster wheels, easy moving and rusted prevent. 
	
 
	- 
		Wildly use in industrial trolley.