The KPO fastening system is also widely used all over the world. It belongs to clamp fastening system. The clamps includes KPO3, KPO5, KPO6 and KPO9 etc. It has better clamping force and longer duration life than normal fastening system, and it also is an only system which is widely used for Crane Rails.
Components:
| Item | Part Name | Pcs / Set | Types | Material |
|---|---|---|---|---|
| 1 | KPO Clamp | 2 | KPO3, KPO6, KPO9 | Q235 |
| 2 | Screw Spike | 4 | M24×150mm M24 ×160mm M24 ×180mm | Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# |
| 3 | Hs Bolt | 2 | HS26, HS32 | Grade 4.6: Q235 Grade 5.6: 35# Grade 8.8: 45# |
| 4 | Hex Nut | 2 | Can be customized | Grade 5: 35# Grade 8: 45# |
| 5 | Double Coil spring washer | 2 | Can be customized | 65Mn |
| 6 | Tie Plate | 1 | Rail of UIC54,UIC60, 50kg rail, 60kg rail, S49, etc. Also can be customized. | Casting: QT500-7, QT450-10 Forging: low / high carbon steel |
