1)administer standard: GB,DIN,ISO,JIS,etc. 2.)delivery in time 3.)small quantity can be provided. Titanium QualitiesLow densitySuperior strength-to ... ,gr5,gr7,gr9,gr11,etc.2.)size:M3-M603.)standard:GB,DIN,UNC,JIS,BS,ISO4.)features:low density,corrosion resistance ... the steel strips outer or as requested. TermTitanium scew and titanium boltGradeGr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr11,Gr12,SizeBolt ...