Purlin Bolts Assemblies Qingdao Join Rising International Trading Company Base Info Model NO.:,M5x20 and up:Finish: Plain, Z. P., H. D. G. StainlessTrademark:,Specification:M5x20 and upOrigin:ShandongHS Code:7318150000 Description Pre:Drywall Screws Next:DIN558 Hex Bolts