Item NameTi Gr5 Bolt ASME/ANSI B 18.3.4M BoltClassScrew,nut,bolt,washer,thread rod,etc.GradeGR1、GR2、GR3、GR4、GR5、GR7、GR11、GR12、GR23StandardASME/ANSI B 18.3.4MSizeM8SurfacePolishing, Anodizing, Black oxide,ColoredPackingWooden CaseApplicationChemical, Industry, Petroleum, Aircraft