Diameter | M10-M30 |
Thread | Full thread / Half thread / Customized |
Surface finishing | Bake Paint, Black Oxide , Zinc Plated, Phosphate, Electrophoresis,Dacr |
Material | 45#, 40Cr, 35CrMo (SAE1045, 5140, 4135) |
Grade | 12.9, 10.9, 8.8 (class) |
Color | Grey,Black,Silver,Golden |
Nut | Hex nut; Flange nut |
Apply to | Leaf spring of trucks and trailers |
Hardness | HRC34-38 |
Package | Neutral package or customized |
Product Keywords | truck center bolt,trailer and truck center bolt,spring bolt |