Bending Carriage Bolts Widely used in space, energy and electronic, mechanical and metallurgical, chemical . *Diameter:5mm-20m Bending Carriage BoltsStandard:DIN,ASINMaterial:Carbon steel,Stainless Steel 304ss 316ssDiameter:5mm-20mm,1/4"-3/4"Length:8mm-300mm,5/16"-12"Thread:MM,UNC,UNF,BSWGrade:4.8,5.8,6.8,8.8,10.9Finish:Plain,Zinc,Blank,Nickel,Chrome,H.D.GPacking:Carton,Small Box,Bag,Pallet