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| MOQ | 1 Piece/Pieces |
| Port | as required |
| Packaging | Wooden case. plastic case |
| Lead Time | It depends on the quantity. |
| Place of Origin | Hunan, China (Mainland) | Brand Name | ZW |
| Model Number | Many kinds | Price | Reasonable(no trick) |
| Color | Yellow | Quality | high |
| Kelly bar | 120x120mm, 150x150mm, 200x200, 250x250, 1 hole, 2 holes, 3 holes | Teeth/Bits | Bullet teeth/rock bits, sand bits, roller bits, hobs, pilot bits |
| Material | 16Mn for drilling bit; 16Mn/35CrMo for kelly bar; Q235 for tremie pipe | Applied technique | Welding as usual, casting/forging according to customers requirement |
| Error range | 3-5mm, mini error range, small error range, small random error | Applied equipment | For rotary drilling rig/equipment/machine, for construction site/field |
| Applied formation | Silt and clay, pure clay, sand, gravel; rock and reinforced concrete |
Yangxi Zu, Xiangyang Farm, Shuangma Town, Yuetang District,Xiangtan
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