Titanium chain ring Bolts Standard:DIN,ASTM,GB,BSW,UNC,JIS Technique:forging,rolled,CNC Machining Dimension:M10X1 Place of Orign:Shandong,ChinaBrand name:TitanModel number:Gr5,Customize 1Titanium bolt,Titanium nut,Titanium screw,pure,alloy 2 DIN912,DIN6912,DIN7991,DIN6921,DIN931,DIN934,DIN6923DIN985 3 bicycle,motorcycle,wheel,eye,stud,anchor,spring,medical,bone,ball 4 drywall,machine,furniture, ...