Outer diameter: 220mm
Inner diameter: 61.5mm
Edge width: 65-68mm
Matching pipe diameter: 80-83mm
Applicable door width: 3-5M
Can be customized according to your requirements
1: Name: spring box, roller shutter accessories, roller shutter accessories.
2: It is suitable for old manual rolling gate.
3: Material: galvanized iron. Shaft guard iron ring + nylon ball
4: Thickness of material: 0.75mm * 0.85mm * 1.2mm beads are used according to the size of outer diameter and inner diameter.
China Door Accessory manufacturer, chinese Door Accessory supplier, produce: barrier,cantilever gate wheel,carriage wheel,door latch,end stop,meeting point,guide wheel,gate guide weel,miscellaneousm,nylon roller,nylon rller guide,post cap,sliding door gear rack,sliding door motor,sliding gate wheel,spring box,track,ground track,galvanized track,upper guide roller bracket . We can produce as per customer's drawing or sample. Please feel free to send us your detail enquiries. E-mail: email@example.com