1.Material:40Mn2 2.PITCH:101-228mm 3.Surface hardness:HRC52-6 4.Delivery time: 15~45Days We can produce any track links according to your design and drawing.Excavator track link1.Models available:1)Hitachi: UH07, UH10, UH14, EX100, EX120, EX150, EX160, EX200, EX220, EX300, EX400, ZAXIS2102)Caterpiller: E70, E120, E180, E200, E240, E300, E325, E330, E450, CAT311, CAT312, CAT3203)Daewoo: DH200, ...