1.Material:40Cr 2.Hardness: HRC51-56 3.80*530 Bucket Pin For Excavator 4.OEM Service Availables 5.Various kinds of models ... ,EX200-1/2, EX220, EX300,EX300-1/2/3,EX400-1/3/5, UH07, UH083, ZX200, etc. KatoHD250, HD400-1, HD400-2, HD400 ... -3, etc OthersR55,R210,R220, R290, R914, K904C, K907C, MS110-5, MS180-3, etc. 5.Picture6.Certification7.Enterprise Honor Komatsu,Hitachi,Kobelco,Caterpillar excavator ...