Unique design:Unistrut trolley the bolt is hidden in the fastening groove,don't worry about stuck bolt heads,the four-wheel trolley will not be blocked in the channel
Strut channel trolley size: M12 (3/8inch) Bolt in the middle, 97mm (3.8inch) in length,for1-5/8 inches wide and all 1-5/8 inches or taller strut channels, which can help you to achieve work easily, and bring you lots of convenience for your life. Trolley design load 320 lbs at 600 rpm;450 lbs at 300 rpm;650 lbs at 100 rpm.Break strength: 5511 lbs
Heavy-Duty Build:4 wheel trolley assembly rollers made with hot-rolled carbon steel of solid steel for impact resistance.Galvanized to ensure rust resistance of strut trolley.There is an M12 bolt in the middle, with a length of 97 millimeters (3.81 inches), and it is also equipped with a lifting ring nut for easy hanging of objects
Operate Steadily: Beam trolleys standard deep groove ball bearing installation,is very smooth no noise to it when used. Bearing welding positioning,to ensure the stability of the work
Wide application:This roller is very suitable for garage lift systems,ceiling trolley systems,and suspended DIY projects.It is an essential tool for factories, garages,warehouses and other places