Wuhan Yijue Tengda Machinery Co., Ltd
Wuhan Yijue Tengda Machinery Co., Ltd
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Kelly box: 120x120mm, 150x150mm, 200x200mm, 250x250mm
1 hole / 2 holes / 3 holes (2 on one side, 1 on another)
Teeth / Bits: bullet teeth / rock bit / rock teeth, sand bits / sand teeth
roller bits / roller wringer, hob, pilot bit
Technique: Welding as usual, casting / forging as per special need
Material: 16Mn for drilling bit; 16Mn / 35CrMo for kelly bar; Q235 for
tremie pipe; 16Mn / 25CrMo for casing; alloy for teeth / bits
Application: sand bit for silt and clay, pure clay, sand and gravel
rock bit / roller bit for rock and reinforce concrete
Equipment: For rotary drilling rig, for construction site/field
| Diameter | 400~3000mm | Drilling bucket / barrel / auger |
| 200m~600mm | Kelly bar | |
| 12~40mm | Steel wire rope | |
| Thickness | 16~20mm | Wall |
| 40/50mm | Bottom | |
| 20/30mm | Spiral flight | |
| 30/50mm | Open body drilling bucket wall | |
| Length | 1200mm/1000mm/800mm | |
| Teeth Quantity | 4~30 for bucket/barrel | |
| 13~40 for auger |
