













Custom Multi-Wing Concave PDC Drill Bit A customizable multi-wing concave PDC drill bit available with male or female thread connections for water well, mining and engineering drilling. Key Advantages Concave profile assists centering and directional stability. Multi-wing layout distributes cutting load. Male and female connection configurations are available. Recommended Applications Water well drilling Mining and geological exploration General engineering boreholes Available Specifications This series is normally produced to order. Common international inquiry sizes are listed for reference. OEM/ODM Customization Diameter, thread connection, cutter layout, color and packaging can be customized. Please provide the target formation, drilling method, required connection and order quantity before production.
The recessed center supports centering and directional stability.
Multiple blades distribute cutting load and support smooth drilling.
Both male-thread and female-thread configurations are available for drill-string matching.






| Product type | Custom multi-wing concave coreless PDC drill bit |
|---|---|
| Cutting structure | Multi-wing concave fixed-cutter geometry; male and female connection options |
| Primary applications | Water wells, mining, geological exploration and engineering boreholes |
| Recommended formations | Soft to medium formations; final wing and cutter configuration requires review |
| Size | 98.4 mm / 3 7/8" · 114.3 mm / 4 1/2" · 149.2 mm / 5 7/8" · 165.1 mm / 6 1/2" · 200.0 mm / 7 7/8" · 215.9 mm / 8 1/2" · 244.5 mm / 9 5/8" · 311.2 mm / 12 1/4" · Custom Size |
| Connection | Male Thread · Female Thread |
| Connection | Threaded connection matched to the customer's drill string |
| Customization | Diameter, connection, cutter layout, waterways, hardfacing, color, logo and packaging |
Performance depends on formation, rig parameters, flushing and operating practice. Final configuration should be confirmed by the technical team.
Send diameter, thread/connection, formation description, target depth, rig model, flushing method and quantity. Photos or geological reports improve configuration accuracy.
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