Best Drilling Equipment (Wuxi) Co.,Ltd
| Model NO. | AQ BQ NQ HQ PQ |
| Hardness | F1-F12 |
| Property | Impregnated |
| Industry | Geological Survey |
| Payment Term | Tt or LC |
| Product Name | Impregnated Diamond Core Bit |
| Thread Type | Pi, Metric, Dcdma etc. |
| Connection | Male/Female |
| Surface Finish | Smooth |
| Material | Diamond |
| Product | Diamond Core Bit |
| Useage | Carbon Bit |
| Function | Core Drilling |
| Name | Casing Shoe |
| Standard | Nq/Hq/Pq |
| Size | Standard and Customized |
| Transport Package | Nude/Wooden Case/Carton |
| Specification | PQNQHQNTWHTWNQ3HQ3 |
| Trademark | BEST |
| Origin | China |
| HS Code | 82071910 |
| Production Capacity | 500000 Pieces/Year |
View Detail Information
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Product Specification
| Model NO. | AQ BQ NQ HQ PQ | Hardness | F1-F12 |
| Property | Impregnated | Industry | Geological Survey |
| Payment Term | Tt or LC | Product Name | Impregnated Diamond Core Bit |
| Thread Type | Pi, Metric, Dcdma etc. | Connection | Male/Female |
| Surface Finish | Smooth | Material | Diamond |
| Product | Diamond Core Bit | Useage | Carbon Bit |
| Function | Core Drilling | Name | Casing Shoe |
| Standard | Nq/Hq/Pq | Size | Standard and Customized |
| Transport Package | Nude/Wooden Case/Carton | Specification | PQNQHQNTWHTWNQ3HQ3 |
| Trademark | BEST | Origin | China |
| HS Code | 82071910 | Production Capacity | 500000 Pieces/Year |
| High Light | diamond core drill bits for sampling ，impregnated diamond core bit ，diamond core drilling bits | ||
Impregnated diamond core bits are widely used in mining and geological surveys for drilling into hard rock formations. These core bits are designed to provide efficient and precise drilling in challenging conditions. Here are some key aspects of their performance and applications:
Diamond Impregnation: Impregnated diamond core bits are manufactured by embedding industrial-grade diamonds into a matrix of metal powder and binder. This impregnation process ensures that the diamonds are evenly distributed throughout the bit, providing consistent cutting performance.
Hard Rock Drilling: Impregnated diamond core bits are primarily used for drilling into hard rock formations, such as granite, basalt, limestone, and other abrasive rock types. They are well-suited for applications where conventional drilling methods may struggle to penetrate or maintain a reasonable drilling speed.
Cutting Efficiency: The diamond impregnation on the bit's surface enables it to grind and cut through hard rock formations effectively. As the bit rotates, the diamonds abrade the rock, creating a cylindrical core sample. The matrix material between the diamonds provides support and helps to channel the cut rock particles away from the cutting face.
Diamond Impregnation: Impregnated diamond core bits are manufactured by embedding industrial-grade diamonds into a matrix of metal powder and binder. The diamonds are evenly distributed throughout the bit, ensuring consistent cutting performance.
Matrix Material: The matrix material acts as a support structure for the diamonds and helps to channel the cut rock particles away from the cutting face. Common matrix materials include bronze, tungsten carbide, and synthetic materials such as polycrystalline diamond compact (PDC).
Diamond Grade: Impregnated diamond core bits use various diamond grades, which refer to the size and quality of the diamonds used. Different grades are selected based on the hardness of the rock formations and the desired drilling efficiency.
Bit Design: Impregnated diamond core bits come in various designs to suit different drilling applications. The design includes the arrangement and pattern of the diamonds on the bit surface, the shape and size of the waterways for cooling and debris removal, and the overall geometry of the bit.
Waterways: Impregnated diamond core bits typically have waterways or flushing holes designed to facilitate the flow of water or drilling fluids. These waterways help to cool the bit, lubricate the cutting surface, and flush away the drill cuttings.
Hardness table
Rock Type |
Rock Hardness |
Abrasiveness |
Hardness NO. |
Clay,Shale,Ash Stone,Gypsum,Tuff,Serpentinite,Calcite, Coal,Argillite,Volcanics,Sandly Pebble |
Soft |
Medium |
BST 1/3 |
Sandstone,Lithoid Limestone, Limonite |
Medium Soft |
Very High |
BST 3/5 |
Medium Hard Sandstone,Hard Shale, Hard Ash Stone,Dolomitic,Marble,Hard Schist, Hard Streak Stone,Siltstone,Andestite |
Medium |
High |
BST 5/7 |
| Peridotite,Gneiss,Limonite | Medium Hard |
Medium High |
BST 7/9 |
Pegmatite,Schist,Norite,Syenite,Gabbro,Peridotite, Grandiorite,Granite,Basalt,Hard Streak Stone |
Hard |
Medium To Low |
BST 9/11 |
| Amphibolite,Diorite,Rhyolite,Quartzite | Very Hard | Medium To Low | BST 11 |
Silicious,Hard Sandstone,Rhyolite, Dense Quartzite,Ironstone,Taconite,Jasperite,Chert |
Utral Hard |
Low |
BST 14 |
Customization:
We offer custom Impregnated Diamond Core Bit services for core assembly, core exploration, geotechnical engineering, and more. Our custom core bits are available in a variety of thread types (Metric, etc.), impregnation types (oil or wax), and cutter types (impregnated diamond). Our custom Impregnated Diamond Core Bits are perfect for drilling applications.
| Type | AQ/B | BQ/B | NQ/B | NQ3/B | HQ/B | HQ3/B | PQ/B |
| O.D(mm) | 47.7 | 59.6 | 75.4 | 75.4 | 95.7 | 95.7 | 122.3 |
| O.D(inch) | 1.88 | 2.35 | 2.97 | 2.97 | 3.77 | 3.77 | 4.81 |
| I.D(mm) | 27.1 | 36.5 | 47.7 | 45.2 | 63.6 | 61.2 | 85.1 |
| I.D(inch) | 1.07 | 1.44 | 1.88 | 1.78 | 2.50 | 2.41 | 3.35 |
| Type | PQ3/B | NWM/B | NWG/B | NMLC/B | HMLC/B | NQTT/B | HQTT/B |
| O.D(mm) | 122.3 | 59.6 | 75.4 | 75.4 | 98.9 | 75.4 | 95.7 |
| O.D(inch) | 4.81 | 2.35 | 2.97 | 2.97 | 3.89 | 2.97 | 3.77 |
| I.D(mm) | 83 | 36.5 | 54.8 | 52.1 | 63.6 | 45 | 61.1 |
| I.D(inch) | 3.26 | 1.44 | 2.16 | 2.05 | 2.5 | 1.77 | 2.4 |
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
>1000000
Employee Number:
180~200
Ecer Certification：
Verified Supplier
Best Drilling Equipment (Wuxi) Co., Ltd specializes in manufacturing premium geological exploration equipment and drilling tools with cost-optimized efficiency. Our /ISO9001:2008 accredited facility in Jiangsu Province has been recognized with multiple provincial honors including Jiangsu High-qualit... Best Drilling Equipment (Wuxi) Co., Ltd specializes in manufacturing premium geological exploration equipment and drilling tools with cost-optimized efficiency. Our /ISO9001:2008 accredited facility in Jiangsu Province has been recognized with multiple provincial honors including Jiangsu High-qualit...
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