China Fruehauf Trailer Leaf Spring U Bolt 431245 431784 449562 449563, Find details about China Trailer U-Bolt, Fruehauf U Bolts from Fruehauf Trailer Leaf Spring U Bolt 431245 431784 449562 449563
| Diameter | 12mm,14mm,16mm,18mm,20mm,22mm,24mm,27mm,30mm,etc. |
| Thread pitch | 1.25mm,1.5mm,1.75mm,2.0mm,3.0mm |
| Material | mild steel, 35#steel,45#steel,40Cr,40Cr heat treatment etc. |
| High quality strength | grade6.8,8.8,10.9 |
| Shape | round,flat round,half-round,square,flat half-round, flat square |
| Surface protection | bake paint,zinc plated, phosphate, |