Home > Products > rock roller bit > API 8 1/2'' diamond core bits 1/2 /PDC bits/high quality drill bits
API 8 1/2'' diamond core bits 1/2 /PDC bits/high quality drill bits
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Product Details
| Place of Origin | Hebei, China | Brand Name | HJ, HJ | |
| Model Number | diamond core bits 1/2, all IADC code | Type | Other, Drill Bit, Center Drill Bit | |
| Machine Type | Drilling Tool | Certification | API | |
| Material | Other, High Manganese Steel, High Manganese Steel | Processing Type | Casting | |
| Use | Well Drilling |
Product Description
Specifications
specifications1.diamond core bits 1/2
2.API&ISO9001
3.superior in quality;reasonable price
diamond core bits 1/2
1.Details
Bit type | Main bit size(mm) | Rock coefficient | |
PDC core drill bit | Single pipe | 75/54.5 94/74 113/89 113/109 153/129 | 1-18 |
Two-pipes | 75/54.5 94/68 | ||
PDC center drill bit | Concave 3 wing bit | 60 75 94 113 133 | 1-18 |
Arc pillar
| 60 75 94 113 133 | 4-18 | |
Many wing scraper | 60 75 94 113 133 133 153 173 190 215 | 1-6 | |
PDC Indexable drill bit | 153/94 153/113 190/153 190/113 | 1-18 | |
Model | 118,152,215.9,244,311,445 |
Type | all kinds and size PDC bits |
Applicable | water well, oil field, construction, geothermal, directional boring, and underground foundation work |
Formation | sticky, soft, medium hard, hard formation |
blade | 4,5,6,7,8,9 |
Packing | wooden box |
Payment Term | T/T |
MOQ | 1 Piece |
Supply Ability | 1000 Pieces/month |
Delivery Time | within 7-15 work days |
2.Description
1.Soft to medium hard formations drilling
Parabolic crowm and medium-density distribution of the teeth. In soft to medium hard formations with low compressive strength and a little hard interlayer higher mechanical ROP.
2.Proprietary cutting teeth
19mm improved proprietary cutting teeth, the ability to improve drilled hard interlayer.
3.Enhanced security diameter
The use of high strength materials, and improve the wear resistance of the gage, so that with high life of the drill bit to match.
4.Hydraulics design
Match by each knives wing cutting the amount of the displacement hydraulic design, optimize drill cutting transport and cooling.
3.Packaging & Delivery
| Packaging Detail: | wooden box |
| Delivery Detail: | Within 3 month |
I am Cherish at your service at any time!
All sizes and IADC codes of drill bits are available. Special requirements of different models can be customized.
Contact Us
- Hejian Hengji Bit Manufacture Co., Ltd.
- Contact nameHengji Bits Chat Now
- Phone86-317-8114222
- AddressXicun Development Zones, Cangzhou, Hebei
Product Categories
| divide by IADC | divide by size | Drag bits | Hole Openers |
| New Products | PDC Bits | Rock Bits | rock roller bit |
| Rotary Rock Bits | Single Cutters | Steel Tooth Bits | TCI Tricone Bits |
| Tricone Bits | Tricone Rock Bits |
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