Titanium chain ring Bolts Standard:DIN,ASTM,GB,BSW,UNC,JIS Technique:forging,rolled,CNC Machining Dimension:M10X1 Place of Orign:Shandong,ChinaBrand ... aviation,spaceflight,navigation,ultrasonic,temperature 7 industry,military,metallurgy,medical machinery,survey,corrosion 8 instrumentation,texiles,sports,outdoor,petroleum,smelting,pressure ...