HQ Diamond Core Bit
Description
Technical Parameters
Product Description
Impregnated diamond core bits are widely used in the mineral exploration industry due to their versatile application range. Our products are crafted using carefully selected synthetic diamond grades that are evenly distributed throughout the drill matrix series to ensure maximum performance. With our impregnated diamond core bits, you can rest assured that you're getting a high-quality product that's built for success in even the toughest drilling conditions.
Type of Diamond Core Bit Matrix
To ensure a fast penetration rate and maximize the lifespan of our diamond core bit, we have designed a matrix that continuously exposes new diamonds to the cutting face as the bit wears. This innovative feature not only allows for efficient drilling but also minimizes the cost of diamond drilling. By using our impregnated diamond core bit, you can enjoy a long-lasting performance while maintaining a cost-effective drilling solution.
The hardness and abrasiveness of the formation to be drilled determine the ideal diamond size, concentration, and matrix type. It is crucial to consider these factors when selecting the appropriate drilling equipment for optimal performance.

Size of HQ Diamond Core Bits
| Outside Diameter | Inside Diameter | ||
inch | mm | inch | mm |
3.762 | 95.57 | 2.5 | 63.5 |
Thank you for filling out the form and specifying the Matrix(crown) hardness of the bits. We appreciate your cooperation and will ensure that your order is processed accordingly. If you have any additional information or preferences, please let us know through the order remark or message center. We look forward to serving you.
Main Features
The latest drilling range is a game-changer, surpassing the impressive performance of the previous series. With its exceptional speed and extended bit life, it sets a new standard for drilling technology.
This protective coating prevents the diamond from undergoing oxidation and experiencing surface degradation. To maintain the original information while generating highly similar content, I will rephrase the statement as follows: "The preservation of the diamond's integrity and luster is ensured by shielding it from oxidation and surface degradation."
The purpose of this product is to prevent the diamond from being prematurely pulled out.
Based on various rock hardness and ground conditions, there are multiple standard configurations available to choose from. These configurations have been carefully selected to cater to specific requirements.
Basic Info
| Original: Wuxi, China | Certification: ISO9001 |
Price: Negotiable | Model No: AQ BQ NQ HQ PQ |
Crown Height: 9mm,10mm,12mm,14mm,16mm | Usage: Wireline core barrel parts |
Matrix hardness: F0-F18 | Water Way: 8/12 |
Payment Term: TT, LC | Delivery Date: Negotiable |
Packing: Export standard | MOQ: 1 PCS |
Standard: Equivalent to Boart longyear/Atlas Copco |


Size of Diamond Core Bits and Reaming Shells
Model | Outside Diameter of Core Bit | Inside Diameter of Core Bit | Outside Diameter of Reaming shell | |||
Inches | mm | Inches | mm | Inches | mm | |
BTW | 2.345 | 59.56 | 1.667 | 42.1 | 2.36 | 59.95 |
NTW | 2.965 | 75.31 | 2.218 | 56.1 | 2.98 | 75.7 |
HTW | 3.762 | 95.57 | 2.809 | 71.1 | 3.783 | 96.09 |
AQ | 1.875 | 47.63 | 1.062 | 26.97 | 1.89 | 48.01 |
BQ | 2.345 | 59.56 | 1.433 | 36.4 | 2.36 | 59.95 |
BQ3 | 2.345 | 59.56 | 1.32 | 33.53 | 2.36 | 59.95 |
NQ | 2.965 | 75.31 | 1.875 | 47.63 | 2.98 | 75.7 |
NQ3 | 2.965 | 75.31 | 1.775 | 45.08 | 2.98 | 75.7 |
HQ | 3.762 | 95.57 | 2.5 | 63.5 | 3.783 | 96.09 |
HQ3 | 3.762 | 95.57 | 2.406 | 61.11 | 3.783 | 96.09 |
PQ | 4.805 | 122.05 | 3.345 | 84.96 | 4.828 | 122.65 |
PQ3 | 4.805 | 122.05 | 3.27 | 83.06 | 4.828 | 122.65 |
T2-56 | 2.205 | 56 | 1.642 | 41.7 | 2.224 | 56.5 |
T2-76 | 2.992 | 76 | 2.429 | 61.7 | 3.019 | 76.5 |
T2-86 | 3.385 | 86 | 2.823 | 71.7 | 3.406 | 86.5 |
T2-101 | 3.976 | 101 | 3.295 | 83.7 | 3.996 | 101.5 |
T6-101 | 3.976 | 101 | 3.11 | 79 | 3.996 | 101.5 |
T6-131 | 5.157 | 131 | 4.252 | 108 | 5.157 | 131.5 |
Select Reference Table of Diamond Core Bits

Diamond Core Bits Crown Shapes

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