95mm Surface natural diamond coring bit faster penetration with good stability in drilling
SURFACE SET CORING BITS
Surface set coring bits are typically used for higher penetration rates than impregnated bits in softer formations. They utilize a single layer of natural diamonds set in a hard matrix.
The choice of a Surface Set Bit will be dictated by the rock type. The diamond size, crown design and matrix hardness used will be determined by the hardness of the formation. The friability of the core will determine the type of fluid passages. The surface set bit provides a greater esure of diamonds than the impregnated bit and therefore faster penetration in soft formations.
Drilling recommendations
To select a suitable diamond bit for a given situation, basic information is needed:
* Geology
* Type and size of core barrel
* Flushing media
The final performance with selected bit depends on following parameters controlled by the operator:
* WOB – weight on bit
* ROP – rate of penetration
* RPM – revolution per minute
* RPI/RPC – revolution per inch/cm
* Flushing
The matrix of our impregnated bits is designed to expose new diamonds to the bits' cutting face as wear occurs. Fast penetration rate is maintained as a result of this action.Our impregnated bits are manufactured to give optimum penetration rates and bit life, which is required to keep the cost of diamond drilling to a minimum.The optimum diamond size, concentration and matrix type are dependent on the hardness and abrasiveness of the formation to be drilled.
Matrix Selection Chart:
HQ Diamond Core Drill Bit product
| Product name | HQ Surface diamond bit |
| O.D diameter | 95.76/95.38mm |
| I.D diameter | 61.24/60.99mm |
| Matrix height | 10mm |
| Face Profiles | Stepped |
| Advantage | more diamond, higher penetration rates |
Surface set diamond core bit sheet
| Q Series | T2 Series | T6 Series | T6 Series |
| AQ | T2-46 | T6-76 | T6S-76 |
| BQ | T2-56 | T6-86 | T6S-86 |
| NQ | T2-66 | T6-101 | T6S-101 |
| HQ | T2-76 | T6-116 | T6S-116 |
| PQ | T2-86 | T6-131 | T6S-131 |
| NQ2 | T2-101 | T6-146 | T6S-146 |
| NQ3(NQTT) | / | / | / |
| HQ3(HQTT) | / | / | / |
| PQ3(PQTT) | / | / | / |
Feature:
1. Significantly outperforms the successful Series range in drilling speed and bit life.
2. Protects the diamond from oxidation and surface degradation.
3. Inhibits the premature "pull-out" of the diamond.
4. Available in multiple standard configurations and selected on the basis of relative rock hardness and ground conditions.
Company Information:
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
1.Diamond bits and Reaming shell
2.PDC bits and Casing shoes
3.Drill rod and Drill tools in Q series
4.Core barrel assembly and accessories.
5.Diamond tools
6.Top hammer Rock drilling tools
7.Down-the-hole (DTH) Bits and hammers
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Stable Performance Core Drilling Tools 95mm Surface Natural Diamond Coring Bit Faster Penetration Images
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