bolt nut 1.Tight tolerance. 2. Small order available. 3.Professional OEM& ... :2008. 2013 top quality and customized all size of bolt nut in dongguan and shenzhenWe can supply various bolts, nuts, washers ... , copper, brass, stainless steel, steel, iron, alloy, zinc , carbon steel, rubber and plastic .etcFinishPolishing; Anodize; SandingPowder coating; Vacuum Plating; Tin,Silver ...