1.drilling large diameter hole under large torque;
2.Fast drilling speed;
3.Over 25 years frofessional experiences.
Port: Lianyungang/Qingdao/Shanghai/Ningbo etc.
Minimum Order Quantity: 5 Piece/Pieces
Supply Ability: 200000 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: Usual export packing or packing according to customer's requirements.
Delivery Detail: Depends on the quantity, usually within 30 days.
Features:
1. Suitable to drilling medium hard---hard formation.
2. Blades of tower drill bits are setting on multiple working levels, so as to
enhance the contact area between blades and working rock layer,reduced
the drilling pressure on the unit area of the blade, prolong the
service life.
3. The small-diameter drill bits which set on the topmost have a good
guidance function to ensure the angle when drilling, it also can be used
for reaming the first-grade and second-grade holes who can adapted to
the large torque, high pump volume and fast drilling speed.
Main Technical Parameter of Drill Bits:
| Size | Blade Quantity | PDC Quantity | Waterpore Quantity | Waterpore Diameter(mm) | ||
| Diameter(mm) | Height(mm) | Top | Flank | |||
| 75 | 145 | 5 | 8 | 4 | 6 | 8 |
| 94 | 155 | 5 | 8 | 4 | 6 | 8 |
| 94 | 155 | 6 | 10 | 7 | 8 | 10 |
| 113 | 175 | 6~7 | 12~14 | 8~10 | 10 | 12 |
| 113 | 205 | 10~12 | 20~26 | 12~16 | 10 | 13 |
| 133 | 215 | 10~12 | 20~26 | 12~16 | 10 | 14 |
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