... 7/8”1) German standard welded 5685A/C chain/DIN763 chain/ DIN764 chain/DIN766 chain2) Zinc-plated, heat plated, ... 18mm, 19mm, 20mm, 22mm, 25mm, 28mm and 32mm4) DIN764 chain types include 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 13mm ... , 14mm, 16mm, 18mm, 20mm, 23mm and 26mm5) DIN766 chain types include 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm ... length or assembled to meet customers' requirements long welded link chain