... /16"-2" 2. Length: 30mm-3000mm 3. Class: 4.8, 6.8, 8.8, B7 1) Standard: B7 B8 B8M DIN 975, DIN ... alloy steel...4) Grade: SUS304 SUS316 SUS201 B85) Surface: Plain, Black, Zinc Cr+3,Yellow Zin c Cr+6, H.D.G. We ... not only make fasteners incl bolts/nuts/rods etc.But also deal ... all of fasteners incl,carbon steel,stainless steel bolts,nuts,rods,washers,screws,anchors,nails etc.