Square U Bolts Qingdao Join Rising International Trading Company Base Info Model NO.:,Size: M5 and up:Finish: Plain, Z. P., H. D. G.Trademark:,Specification:M5 and upOrigin:ShandongHS Code:7318150000 Description Pre:Roofing Bolts With Nuts Next:Welding Neck Flange, Weld Neck Flange