Material:Gr1,Gr2,Gr3,Gr4,Gr5(Ti-6AL-4V),Gr7,Gr9,Gr12, Gr23, etc."Standard: GB,DIN, IFI,UNC,UNC,JIS,BS,BSW ,ISODIN912,DIN913,DIN914,DIN915,DIN916,DIN931,DIN933,DIN934,DIN84,DIN963,DIN125,DIN 127,DIN433,DIN7991,7984,6921,6923,ISO 7380,JIS,BS...
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