titanium bicycle bolt ,titanium bicycle screw Dimensions:M3-M20X5--160mm Material:titanium,titanium alloy Product name: ... )Washer sizes:M4-M164)Standard:DIN,ASTM,GB,BSW,UNC,JIS DIN912,DIN913,DIN915,DIN931,DIN933,DIN934,DIN7991,DIN965,DIN966,ISO7380 ... SERVICE,DESIGN SERVICE,BUYER LABEL Titanium bicycle bolt,titanium bicycle screw