Changsha Golden Drilling Machinery Co.,Ltd
Real Facotry, Prime Service and Diamond Quality
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BAR 01 Interlocking Kelly Bar Bauer Type , Mechanical Kelly Bar
JZTG produces Interlocking Kelly Bar and Friction Kelly Bar with high quality.
Interlocking Kelly bars are used with drilling rigs for drilling in dense sand and gravel and weak to strong rock. The Interlocking Kelly bars can be fully locked by mechanical locking system on each section.
Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.
| Identification No. | Torque(ton.m) | O.D.(mm) | Section | Drilling Depth (m) |
| JZTG36/470/3/27~28 | 36 | 470 | 3 | 27~28 |
| JZTG 36/470/4/36~72 | 36 | 470 | 4 | 36~72 |
| JZTG 25/440/3/36 | 25 | 440 | 3 | 36 |
| JZTG 25/440/4/50 | 25 | 440 | 4 | 50 |
| JZTG 28/394/3/24~48 | 28 | 394 | 3 | 24~48 |
| JZTG 28/394/4/32~65 | 28 | 394 | 4 | 32~65 |
| JZTG 18/377/3/36 | 18 | 377 | 3 | 36 |
| JZTG 18/377/4/50 | 18 | 377 | 4 | 50 |
| JZTG 22/406/3/36 | 22 | 406 | 3 | 36 |
| JZTG 22/406/4/50 | 22 | 406 | 4 | 50 |
| JZTG 36/508/4/60 | 36 | 508 | 4 | 60 |
