anodized color Titanium Bolt,titanium fastener,titanium Nut ,titanium Screw,washer Titanium & Titanium Alloy ... ,nuclear power,metallurgy,chemical,medicine,military,textile,medicine and petroleum1)Bolt sizes:M2-M22Length2)Nut sizes:M2-M223)Washer sizes:M2 ... -M224)Standard:DIN,ASTM,BS 5)Grade:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr23 ...