Double-End-Bolt
Material: Carbon steel, Stainless steel, Alloy steel, Aluminum, Brass 
Finished: PL, Zinc plated, HDG, Dacromet zinc, Black oxide, Nickel plated, Chrome plated, Cr+3, Brass plated 
Standard: DIN, ANSI/ASME, BS, GB, JIS, Non-standard 
Diameter:M3M42 
Length:30MM - 600MM