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| Categories | Drilling Rig Kelly Bar |
|---|---|
| Brand Name: | JTHL |
| Model Number: | OD419*4*15m |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 1 set |
| Price: | USD 28000-35000 |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability: | 100 Sets/month |
| Delivery Time: | 5-8 work days |
| Packaging Details: | Packaged With Steel Pallet and Aluminium Film |
| Warranty: | 1 Year |
| Material: | Q345B,35CrMo,27SiMn |
| After-sales service provided: | Video technical support,Online support,Engineers available to service machinery overseas |
| Condition: | 100%new |
| Machine type: | for foundation construction rotary drilling rig,Piling |
| Pressure form: | Combined |
| Processing type: | Hot treatment and forging |
| Drilling depth: | 20-120m |
| Company Info. |
| Beijing Jietaihongli Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Combined-interlock Kelly bar is composed of interlock Kelly bar and full multi-interlock Kelly bar.
For this type of Kelly bar , the first section is 3-keys interlock type, inner few sections are multi-type step keys , the outer keys are three- sections with three set of concave and convex form .
Specification
| No. | Diammeter of The First Section | Sections | Key Pressure Type | Length of per section(m) | Drill depth | Torque(KN.M) | ||
| 1 | ¢440 | 3 | 4 | Interlocking | 9 - 15 | 24 – 55 | 220-260 | |
| 2 | ¢470(482) | 3 | 4 | Interlocking | 9 - 15 | 24 – 65 | 230-280 | |
| 3 | ¢508 | 3 | 4 | Interlocking | 9 – 15 | 24 – 70 | 260-360 | |
| 4 | ¢530(540) | 3 | 4 | 5 | Interlocking | 9 – 18 | 24 – 85 | 360-420 |
| 5 | ¢575(580) | 3 | 4 | 5 | Interlocking | 9 – 18 | 24 – 85 | 420-460 |
| 6 | ¢630 | 3 | 4 | 5 | Interlocking | 9 – 20 | 24 – 92 | 460-550 |
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