STUD BOLT Material:JIS/SAE/DIN Use:standard part,fasteners,hardware,spring,mechanical manufacture and so on Description ... ,SAE9260,SAE6150. DIN: 55Cr3,51CrV4,52CrMoV4,55Si7,60Si7,28MnSiB,58CrMnB4,27MnMoVB, 65Mn,55CrSi,50CrV,60Si2Mn,CK67,60Si2CrVA,60Si2CrMnA.Use Standard parts; Fasteners ...