Rotary Drilling Rig Kelly Bar Tool 60Si2Mn Damping Spring Kelly Bar Parts
- Selling Units:
- Single item
- Single package size:
- 45X330X400 cm
- Single gross weight:
- 100.000 kg
- Package Type:
-
international standard
- Lead Time:
-
| Quantity(Sets) | 1 - 2 | >2 |
| Est. Time(days) | 7 | To be negotiated |
- KELLY DAMPING SPRING
Damping spring is the accessory of the kelly bar parts. the function is to protect the kelly bar and damping, the material is 60Si2Mn.
It is easy to break during using the kelly bar. Different kelly bar is matched different Model, such as :
45*330*400
55*390*400
50*400*410
55*420*420
70*480*480 .et -
1. Supply to almost type kelly bars, including interlock kelly bar, full interlock kelly bar, and friction kelly bar. 2. Material: Alloy Steel
3. usage: Reduce friction when kelly bar working
