M20 Threaded Stem Casters, 4/5/6 inch Nylon Industrial Castors, Machine Equipment Swivel Casters with Brake, Heavy Duty Bearing Stem Casters Wheels, set of 4 (Color : 4 inch, Size : M20*30)

Size:Our cart wheels screw size: Screw Diameter 20mm, Screw Length 30/60/100/150mm,Wheel Diameter: 100/125/150mm. The caster can move softly, smoothly and silently!The castors are quickly attached to equipment like workbench, carts,chairs. Locking: It comes a pack of 4 wheels. Each wheel has an efficient brake. The brake locks both the wheel and the swivel simultaneously, effective to stop and prevent the device from moving. Capacity: Stem casters are easy to install with a drill and a hammer within 5 minutes.The caster wheels are make of Nylon with heavy duty steel.The max capacity set of 4 wheels is up to 750/900/1050kg. No Noise: Casters are wear-resistant & Smooth & Silent & Safe to floor! won't harm your wooden floor,The casters set of 4 have a better performance of durability, shock absorption and quiet rolling operation. Applications: Equipped with 360 degree swivel head, caster wheels can respond immediately to changes in direction.By using our casters,it is very easy and convenient to carry instrument cases, display equipment, dollies, tool boxes, light machinery, furniture, etc.