High performance ISO certificated 9W3619+9W3361 Excavator Undercarriage Parts Track Bolt and Nut
| Material | 40CR,35CRMO |
| Grade | 10.9,12.9 |
| Finish Color | Grey, Black |
| Machine | Heating forging machine |
| Warranty time | One Year / 2000 hours(Normal life 4000 hours) |
| Packing |
Standard exported wooden pallet Fumigate seaworthy packing |