Fasteners: 1)Hex nut: M2 to M64 2)Hex bolt: M6 to M48 3)Material: mild steel,35C,45C, ss304-316, brass 4)DIN934,ANSI B18 All kinds of fasteners,hex bolts and nuts ,carriage bolts,threaded rods,eye bolts,washers,U-bolts,flange nuts ,plate and so on. Stainless Steel Fasteners