... -M36 Features:Certification:ISO9001:2008 Name:U bend bolt and nuts-M20*92*220BrandsJinliang,Jiajin,U seriesDiameter12mm,14mm,16mm,20mm ... .5mm,1.75mm,2.0mm,3.0mmMaterialmild steel,45#steel,35#steel,40Cr steel,etcHigh quality strengthgrade8.8,9.8,10. ... -round, flat square Surface protection bake paint, black oxide, zinc plated, phosphate, electrophoresis, polishing etc We can supply following service ...