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: 500 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: wooden or cartons and/or as your requirement
Delivery Detail: within 7 days
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 | 311.2mm |
| Applicable formation | soft with low compressive strength and high drillability such as shale, clay, sandstone, soft limestone salt bed and hard gypsolyte,etc |
| Cutting structure | Largge dia.offset crested scoop compacts in inner row,wedge compacts in outer row ,and a row of trimmers is added between gage row and heel row |
| Normal WOB KN/mm(bit dia.) | 0.35~1.00 |
| Rotary Speed (rpm) | 300~60 |
| 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 |
| Type | picture | Ln. | Mm |
| FJT127 | 12 1/4 | 311.2 | |
| HA116 | 6 | 152.4 | |
| FA437 | 12 1/4 | 311.2 |
Model No.: GBSS
Features: Geological Surface Set Diamond Core Drilling Bits
good quality professional high performance
low price long life
Model No.: 25mm-450mm
Features: 1. Diamond bits can drill fast;
2. Longer service life;
3. High efficiency;
4. Over 25 years experiences.
Model No.: 75mm~450mm
Features: 1.Mining bit suitable for drilling the large diameter hole;
2.High efficiency;
3.Over 25 years professional experiences.
Model No.: 25mm-450mm
Features: 1. Diamond bits can drill fast;
2. Longer service life;
3. High efficiency;
4. Over 25 years experiences.
Model No.: 75mm; 94mm; 113mm etc.
Features: 1.PDC bit has reinforced PDC blade;
2.Super anti-wear characteristic;
3.Ultra-durability;
4.Patented products;
5.25 years.
Model No.: 25mm-450mm
Features: 1. Diamond drill bits can drill fast;
2. Longer service life;
3. High efficiency;
4. Over 25 years experiences.
Model No.: 75mm; 94mm; 113mm etc.
Features: 1.PDC drill bits has reinforced PDC blade
2.Super anti-wear characteristic
3.Ultra-durability
4.Patented products
5.25 years
Model No.: 56/39mm-190/152mm
Features: 1.PDC drill bits long service life;
2.High efficiency;
3.Good gage protection;
4.More than 25 years professional experiences.
Model No.: 75mm; 94mm; 113mm etc.
Features: 1.PDC drill bits has reinforced PDC blade
2.Super anti-wear characteristic
3.Ultra-durability
4.Patented products
5.25 years
Model No.: SKG134
Features: oil drill bits used
1.Specification:8 1/2" 215.9mm
2.IADC:134
3.WOB:0.27~0.70 KN/mm
4.sealing: rubber rings
Model No.: SKG124
Features: oil rig drilling bits
1.Specification:22" 558.8mm
2.IADC:124
3.WOB:0.27~0.70 KN/mm
4.sealing: rubber rings
Model No.: SKG124
Features: 1.Specification:12 1/4" 311.1mm
2.IADC:124
3.material:high manganese steel
4.WOB:0.27~0.70 KN/mm
5.sealing: rubber rings