Specification
| No. |
Diammeter of The First Section
|
Sections | Key Pressure Type | Length of per section(m) | Drill depth | Torque(KN.M) | ||
| 1 | ¢299 | 3 | Interlocking | 9-12 | 24-45 | 100 -120 | ||
| 2 | ¢342 | 3 | 4 | Interlocking | 9 - 12 | 24-45 | 100 -120 | |
| 3 | ¢355 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 100-120 | |
| 4 | ¢368 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 150-180 | |
| 5 | ¢377 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 150-180 | |
| 6 | ¢394 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 180-200 | |
| 7 | ¢406 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 180-200 | |
| 8 | ¢419 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 200-230 | |
3 or 4 Sections Interlocking Kelly Bars For Casagrande B125 seamless steel 10m 11m drilling depth 35m 40m
OUR KELLY BAR ADVANTAGE :
1. Adopt the advanced technology design and standard modular design.
2. Equipped with advanced processing facilities, processing technology and auto manufacturing equipment .
3. The kelly bar is with low weight , high strength , good abrasion resistance.
4. The material is from China top pipe manufacturer or imported from Germany . the seamless steel tube is with alloy and special heat treatment .
5. Have granted more than 35 patents for the kelly bar design area.
