Product Features:
1.High quality
2.high- elastic
3.rigid
4.automatically adjustable
5.stable
Business Terms:
Port: QINGDAO
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 2000 Piece/Pieces per Day
Payment Terms: L/C,T/T
Contact Supplier
1.High quality
2.high- elastic
3.rigid
4.automatically adjustable
5.stable
Port: QINGDAO
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 2000 Piece/Pieces per Day
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: 1.wooden case 2.standard export bundle packing or as your requirements
Delivery Detail: within 15 days after the deposit
hydraulic auger introduction
Spiral craft: prestressed wire winding and welding with single strip steel or double strip steel, based on the big torque of geological drill rod.
Material of rod body: geological alloy pipe
Material of connector: first-class alloy constructional steel
Craft: thermal refining in vacuum, which greatly improves the fatigue resistance and shearing strength.
Rod body craft: friction welding, which improves the bending strength and the firmness of the drill rod.
Production facility: CNC machining equipment, which guarantees the high production efficiency, steady quality and straightness.
Design feature: overlay spiral. It guarantees big torque, quick slagging, and clear hole forming. Besides, the drill bit will hardly get stuck.
Application: soft coal bed, and other formation similar to coal bed, which is hard to drain and deslag.
Matching:
Geological spiral drill rod, diameter not bigger than 73mm: match all kinds of hydraulic driver drill.
When drill super soft high pressure coal seam, diameter 90mm, 113mm, 133mm, 146mm will be recommended. It will be more convenient to lay and install core barrel. This kind of drill rod guarantees high efficiency of drilling work, which stops a gap in China.
hydraulic auger specification
| No. | Specifications( mm) | Craft | Connection type with drilling machine | ||
| Dia. | Length | Thread type | |||
| 1 | 50-42 | 500~1500 | Taper thread | Friction welding | clamp |
| 2 | 63.5-42 | 500~1500 | Taper thread | Friction welding | clamp |
| 3 | 63.5-50 | 500~1500 | Taper thread | Friction welding | clamp |
| 4 | 73-50 | 500~1500 | Taper thread | Friction welding | clamp |
| 5 | 73-63.5 | 500~1500 | Taper thread | Friction welding | clamp |
| 6 | 90-63.5 | 500~1500 | Taper thread | Friction welding | Match active drill rod |
| 7 | 98-73 | 500~1500 | Hex. Shank | Friction welding | Match active drill rod |
| 8 | 110-63.5 | 500~1500 | Taper thread | Friction welding | Match active drill rod |
| 9 | 130-63.5 | 500~1500 | Taper thread | Friction welding | Match active drill rod |
| 10 | 146-73 | 500~1500 | Taper thread | Friction welding | Match active drill rod |
hydraulic auger photo
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