... DIN912,DIN6912,DIN7991,DIN6921,DIN931,DIN934,DIN6923DIN985 3 bicycle,motorcycle,wheel,eye,stud,anchor,spring,medical,bone ... ,ships,salt,heat 10 titanium nut for bicycle/titanium bolt for bicycle/titanium screw for bicycle,Standard:ASTM,JIS,DINPurity:99.95% ... or 99.99%Technical Standard:Ti>=99.5%Craft:special unique processing technologyApplication:bicycle ...