1)15 year's experience in drill bit
2)certificate:ISO9001:2000
3)delivery in time
4)long life time
5) MOQ:1 piece
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 300 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: Inner is carton box and outer is plywood case or following your special packing requirement
Delivery Detail: within 7 workdays after the order
About us
Heijian Baoxing Petroleum Machinery Co.Ltd and 15 year's experience in drill bit
All our products have passed ISO9001 certification
With the business philosophy of "high quality goods, create the brand, struggle for first-class" we assure our products of the best quality by adopting advanced design technology, manufacturing process and strict quality control
About product
| Material | tungsten carbide |
| Size | 215.9mm |
| Applicable formation | Medium hard with high compressive strength and thick&hard stringers,such as hard shale,limestone,sandstone,and dolomite,etc. |
| Cutting structure | Large radius offset crested scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangment ,and a row of trimmers is added between gage row and heel row |
| Normal WOB KN/mm(bit dia.) | 0.50~1.15 |
| Rotary Speed (rpm) | 180~40 |
| Main market | North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe Central America Northern Europe Southern Europe |
| Certificate | ISO 9001:2000 |
| Delivery | Within 7 days |
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Features: Impregnated Diamond Core Drill Bits
Size: AQ,BQ,NQ,HQ drill bit
drill bit: drill soft ~ hard rock
Used for rock/mining driing
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Features: kingdream rock roller bit
TC tricone rock roller bit by ISO9001&API
best bearing system
20 years history of manufacture
best
Model No.: 46~250mm all international size
Features: Diamond drill Bits for Rock Drilling:
Diamond core drill bits
46~250mm
Diamond drill Bits: drill soft to hard rock
Model No.: AQ,BQ,NQ,PQ,HQ
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A kind of diamond drill bit used for cutting soft to hard rock in geological investigation
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Features: 111pcs combination drill set in BFC box
1.material:hss,carbide tip,steel 45
2.processing:roll forged,fully ground,eage ground
Model No.: AQ,BQ,NQHQ,PQ
Features: Natural Surface-set Diamond Core Drill Bit
1.32 years history
2.Size: 46~325mm
3.Cut rock from soft
4. ISO9001
Model No.: carbide tip
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Model No.: LK--ZT
Features: electroplated diamond core drill bit
1.Low costs for fast drilling
2.Smooth Surface Finish
3.Long Life when correctly used
Model No.: LK--ZT
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1.Low costs for fast drilling
2.Smooth Surface Finish
3.Long Life when correctly used
Model No.:
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For metal cutting
Type: round
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Features: 21pcs HSS Twist Drill Set
Fully Ground
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Features: cutting tool
1.Hss cutting tool, high-performance high speed steel
2.stable clamping
3.stable cutting
4.surface treatment