Interlocking Kelly Bar
The interlocking kelly bar uses patented technology to transmit maximum torque through precision engagement of drive keys with lock recesses. The reinforcement ring structure is heat-treated to effectively prevent pipe cracking. Suitable for complex strata such as hard rock, dense sand, and gravel, perfectly matching major rig brands such as Bauer, Soilmec, and Liebherr.
立即询价技术参数
| 参数 | 数值 |
|---|---|
| Outer Diameter | 355-930 mm |
| Sections | 3-6 sections |
| Max Depth | 82 m |
| Material | SY550 Steel + 25CrMo Forged |
| Warranty | 1 year / 2000 hours |
| Weight | 8.5-22 T |
核心特性
Reinforced Ring Structure to Prevent Cracking
Long Guide Structure for Improved Verticality
Drive Ribs Maximize Torque Transmission
Disc Spring Damper (Service Life >3,000h)
1-Year Warranty (Industry First)
Compatible with Bauer/Soilmec/Liebherr Rigs
常见问题
Suitable for complex strata such as hard rock, dense sand, and gravel, especially ideal for deep pile construction requiring high torque transmission.
We provide a 1-year or 2,000-hour warranty (whichever comes first), an industry-first warranty commitment.
Perfectly compatible with major brands such as Bauer, Soilmec, and Liebherr. Custom interfaces available upon request.
