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Zhengzhou Yukun Machinery Equipment Co., Ltd.
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- The Drag Bits can penetrate softer formations such as stiff clays and mudstones very quickly. Usually used for construction or other site investigation projects. It has two types, Step Type and Chevron Type.
- YUKUN can design the special size per customers' requirement.
- Generally, available with following sizes:
Drag Bits Size and Connection Thread | |||
Diameter(Inches) | Connection Pin Type | Chevron Type | Step Type |
2-7/8" | AW Rod | Y | Y |
3-1/2" | NW Rod | Y | Y |
3-3/4" | 2 3/8” API REG | Y | Y |
4-3/4" | 2 3/8” API REG | Y | Y |
5" | 2 3/8” API REG | Y | Y |
5-1/8" | 2 3/8” API REG | Y | Y |
5-3/4" | 3-1/2” API REG | Y | Y |
6" | 3-1/2” API REG | Y | Y |
6-3/4" | 3-1/2” API REG | Y | Y |
7" | 4-1/2” API REG | Y | Y |
7-1/2" | 4-1/2” API REG | Y | Y |
8" | 4-1/2” API REG | Y | Y |
Sizes up to 22" available - please ask for details | 4-1/2” API REG | N | Y |